Home / 22,932.86-31,656.35-15,376.43

Finding the Fourth Proportional to 22,932.86, 31,656.35 and 15,376.43

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Solution

The fourth proportional to 22,932.86, 31,656.35 and 15,376.43 is: 21,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,932.86 : 31,656.35 = 15,376.43 : x
  2. Step 2: Convert to fraction form
    22,932.86/31,656.35 = 15,376.43/x
  3. Step 3: Cross multiply
    22,932.86x = 31,656.35 × 15,376.43
  4. Step 4: Simplify right side
    22,932.86x = 486,761,767.41
  5. Step 5: Solve for x
    x = 486,761,767.41/22,932.86
  6. Step 6: Final answer
    x = 21,225.52

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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.