Home / 22,574.16-31,136.90-15,488.28

Finding the Fourth Proportional to 22,574.16, 31,136.90 and 15,488.28

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Solution

The fourth proportional to 22,574.16, 31,136.90 and 15,488.28 is: 21,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.16 : 31,136.90 = 15,488.28 : x
  2. Step 2: Convert to fraction form
    22,574.16/31,136.90 = 15,488.28/x
  3. Step 3: Cross multiply
    22,574.16x = 31,136.90 × 15,488.28
  4. Step 4: Simplify right side
    22,574.16x = 482,257,025.53
  5. Step 5: Solve for x
    x = 482,257,025.53/22,574.16
  6. Step 6: Final answer
    x = 21,363.23

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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.