Home / 22,689.80-31,298.64-14,737.32

Finding the Fourth Proportional to 22,689.80, 31,298.64 and 14,737.32

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Solution

The fourth proportional to 22,689.80, 31,298.64 and 14,737.32 is: 20,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.80 : 31,298.64 = 14,737.32 : x
  2. Step 2: Convert to fraction form
    22,689.80/31,298.64 = 14,737.32/x
  3. Step 3: Cross multiply
    22,689.80x = 31,298.64 × 14,737.32
  4. Step 4: Simplify right side
    22,689.80x = 461,258,073.24
  5. Step 5: Solve for x
    x = 461,258,073.24/22,689.80
  6. Step 6: Final answer
    x = 20,328.88

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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.