Home / 28,036.63-42,071.70-11,395.38

Finding the Fourth Proportional to 28,036.63, 42,071.70 and 11,395.38

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Solution

The fourth proportional to 28,036.63, 42,071.70 and 11,395.38 is: 17,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.63 : 42,071.70 = 11,395.38 : x
  2. Step 2: Convert to fraction form
    28,036.63/42,071.70 = 11,395.38/x
  3. Step 3: Cross multiply
    28,036.63x = 42,071.70 × 11,395.38
  4. Step 4: Simplify right side
    28,036.63x = 479,423,209.25
  5. Step 5: Solve for x
    x = 479,423,209.25/28,036.63
  6. Step 6: Final answer
    x = 17,099.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.