Home / 28,248.13-38,966.23-17,619.31

Finding the Fourth Proportional to 28,248.13, 38,966.23 and 17,619.31

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Solution

The fourth proportional to 28,248.13, 38,966.23 and 17,619.31 is: 24,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.13 : 38,966.23 = 17,619.31 : x
  2. Step 2: Convert to fraction form
    28,248.13/38,966.23 = 17,619.31/x
  3. Step 3: Cross multiply
    28,248.13x = 38,966.23 × 17,619.31
  4. Step 4: Simplify right side
    28,248.13x = 686,558,085.90
  5. Step 5: Solve for x
    x = 686,558,085.90/28,248.13
  6. Step 6: Final answer
    x = 24,304.55

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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.