Home / 22,758.47-31,397.35-15,105.34

Finding the Fourth Proportional to 22,758.47, 31,397.35 and 15,105.34

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Solution

The fourth proportional to 22,758.47, 31,397.35 and 15,105.34 is: 20,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,758.47 : 31,397.35 = 15,105.34 : x
  2. Step 2: Convert to fraction form
    22,758.47/31,397.35 = 15,105.34/x
  3. Step 3: Cross multiply
    22,758.47x = 31,397.35 × 15,105.34
  4. Step 4: Simplify right side
    22,758.47x = 474,267,457.56
  5. Step 5: Solve for x
    x = 474,267,457.56/22,758.47
  6. Step 6: Final answer
    x = 20,839.16

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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.