Home / 22,510.18-31,035.18-15,424.30

Finding the Fourth Proportional to 22,510.18, 31,035.18 and 15,424.30

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Solution

The fourth proportional to 22,510.18, 31,035.18 and 15,424.30 is: 21,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.18 : 31,035.18 = 15,424.30 : x
  2. Step 2: Convert to fraction form
    22,510.18/31,035.18 = 15,424.30/x
  3. Step 3: Cross multiply
    22,510.18x = 31,035.18 × 15,424.30
  4. Step 4: Simplify right side
    22,510.18x = 478,695,926.87
  5. Step 5: Solve for x
    x = 478,695,926.87/22,510.18
  6. Step 6: Final answer
    x = 21,265.75

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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.