Home / 22,715.64-31,357.26-15,267.96

Finding the Fourth Proportional to 22,715.64, 31,357.26 and 15,267.96

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Solution

The fourth proportional to 22,715.64, 31,357.26 and 15,267.96 is: 21,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.64 : 31,357.26 = 15,267.96 : x
  2. Step 2: Convert to fraction form
    22,715.64/31,357.26 = 15,267.96/x
  3. Step 3: Cross multiply
    22,715.64x = 31,357.26 × 15,267.96
  4. Step 4: Simplify right side
    22,715.64x = 478,761,391.39
  5. Step 5: Solve for x
    x = 478,761,391.39/22,715.64
  6. Step 6: Final answer
    x = 21,076.29

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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.