Home / 22,927.76-31,645.94-13,980.20

Finding the Fourth Proportional to 22,927.76, 31,645.94 and 13,980.20

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Solution

The fourth proportional to 22,927.76, 31,645.94 and 13,980.20 is: 19,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.76 : 31,645.94 = 13,980.20 : x
  2. Step 2: Convert to fraction form
    22,927.76/31,645.94 = 13,980.20/x
  3. Step 3: Cross multiply
    22,927.76x = 31,645.94 × 13,980.20
  4. Step 4: Simplify right side
    22,927.76x = 442,416,342.26
  5. Step 5: Solve for x
    x = 442,416,342.26/22,927.76
  6. Step 6: Final answer
    x = 19,296.10

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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.