Home / 22,656.20-31,264.47-12,585.29

Finding the Fourth Proportional to 22,656.20, 31,264.47 and 12,585.29

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Solution

The fourth proportional to 22,656.20, 31,264.47 and 12,585.29 is: 17,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.20 : 31,264.47 = 12,585.29 : x
  2. Step 2: Convert to fraction form
    22,656.20/31,264.47 = 12,585.29/x
  3. Step 3: Cross multiply
    22,656.20x = 31,264.47 × 12,585.29
  4. Step 4: Simplify right side
    22,656.20x = 393,472,421.65
  5. Step 5: Solve for x
    x = 393,472,421.65/22,656.20
  6. Step 6: Final answer
    x = 17,367.10

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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.