Home / 22,654.79-31,227.25-15,384.60

Finding the Fourth Proportional to 22,654.79, 31,227.25 and 15,384.60

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Solution

The fourth proportional to 22,654.79, 31,227.25 and 15,384.60 is: 21,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.79 : 31,227.25 = 15,384.60 : x
  2. Step 2: Convert to fraction form
    22,654.79/31,227.25 = 15,384.60/x
  3. Step 3: Cross multiply
    22,654.79x = 31,227.25 × 15,384.60
  4. Step 4: Simplify right side
    22,654.79x = 480,418,750.35
  5. Step 5: Solve for x
    x = 480,418,750.35/22,654.79
  6. Step 6: Final answer
    x = 21,206.06

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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.