Home / 27,972.42-38,601.93-15,397.17

Finding the Fourth Proportional to 27,972.42, 38,601.93 and 15,397.17

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Solution

The fourth proportional to 27,972.42, 38,601.93 and 15,397.17 is: 21,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.42 : 38,601.93 = 15,397.17 : x
  2. Step 2: Convert to fraction form
    27,972.42/38,601.93 = 15,397.17/x
  3. Step 3: Cross multiply
    27,972.42x = 38,601.93 × 15,397.17
  4. Step 4: Simplify right side
    27,972.42x = 594,360,478.54
  5. Step 5: Solve for x
    x = 594,360,478.54/27,972.42
  6. Step 6: Final answer
    x = 21,248.09

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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.