Home / 22,898.15-31,617.71-15,248.89

Finding the Fourth Proportional to 22,898.15, 31,617.71 and 15,248.89

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Solution

The fourth proportional to 22,898.15, 31,617.71 and 15,248.89 is: 21,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,898.15 : 31,617.71 = 15,248.89 : x
  2. Step 2: Convert to fraction form
    22,898.15/31,617.71 = 15,248.89/x
  3. Step 3: Cross multiply
    22,898.15x = 31,617.71 × 15,248.89
  4. Step 4: Simplify right side
    22,898.15x = 482,134,981.84
  5. Step 5: Solve for x
    x = 482,134,981.84/22,898.15
  6. Step 6: Final answer
    x = 21,055.63

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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.