Home / 22,511.36-31,036.52-15,425.12

Finding the Fourth Proportional to 22,511.36, 31,036.52 and 15,425.12

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Solution

The fourth proportional to 22,511.36, 31,036.52 and 15,425.12 is: 21,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.36 : 31,036.52 = 15,425.12 : x
  2. Step 2: Convert to fraction form
    22,511.36/31,036.52 = 15,425.12/x
  3. Step 3: Cross multiply
    22,511.36x = 31,036.52 × 15,425.12
  4. Step 4: Simplify right side
    22,511.36x = 478,742,045.38
  5. Step 5: Solve for x
    x = 478,742,045.38/22,511.36
  6. Step 6: Final answer
    x = 21,266.69

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Half scale
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Double scale
Find fourth proportional to 22,512.36, 31,037.90 and 15,426.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.