Home / 28,224.98-38,948.39-15,476.12

Finding the Fourth Proportional to 28,224.98, 38,948.39 and 15,476.12

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Solution

The fourth proportional to 28,224.98, 38,948.39 and 15,476.12 is: 21,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.98 : 38,948.39 = 15,476.12 : x
  2. Step 2: Convert to fraction form
    28,224.98/38,948.39 = 15,476.12/x
  3. Step 3: Cross multiply
    28,224.98x = 38,948.39 × 15,476.12
  4. Step 4: Simplify right side
    28,224.98x = 602,769,957.45
  5. Step 5: Solve for x
    x = 602,769,957.45/28,224.98
  6. Step 6: Final answer
    x = 21,355.90

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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.