Home / 22,795.11-31,432.46-14,822.55

Finding the Fourth Proportional to 22,795.11, 31,432.46 and 14,822.55

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Solution

The fourth proportional to 22,795.11, 31,432.46 and 14,822.55 is: 20,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.11 : 31,432.46 = 14,822.55 : x
  2. Step 2: Convert to fraction form
    22,795.11/31,432.46 = 14,822.55/x
  3. Step 3: Cross multiply
    22,795.11x = 31,432.46 × 14,822.55
  4. Step 4: Simplify right side
    22,795.11x = 465,909,135.86
  5. Step 5: Solve for x
    x = 465,909,135.86/22,795.11
  6. Step 6: Final answer
    x = 20,438.99

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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.