Home / 28,217.92-38,941.66-15,472.11

Finding the Fourth Proportional to 28,217.92, 38,941.66 and 15,472.11

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Solution

The fourth proportional to 28,217.92, 38,941.66 and 15,472.11 is: 21,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.92 : 38,941.66 = 15,472.11 : x
  2. Step 2: Convert to fraction form
    28,217.92/38,941.66 = 15,472.11/x
  3. Step 3: Cross multiply
    28,217.92x = 38,941.66 × 15,472.11
  4. Step 4: Simplify right side
    28,217.92x = 602,509,812.47
  5. Step 5: Solve for x
    x = 602,509,812.47/28,217.92
  6. Step 6: Final answer
    x = 21,352.03

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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.