Home / 22,723.93-31,385.27-15,157.11

Finding the Fourth Proportional to 22,723.93, 31,385.27 and 15,157.11

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Solution

The fourth proportional to 22,723.93, 31,385.27 and 15,157.11 is: 20,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.93 : 31,385.27 = 15,157.11 : x
  2. Step 2: Convert to fraction form
    22,723.93/31,385.27 = 15,157.11/x
  3. Step 3: Cross multiply
    22,723.93x = 31,385.27 × 15,157.11
  4. Step 4: Simplify right side
    22,723.93x = 475,709,989.77
  5. Step 5: Solve for x
    x = 475,709,989.77/22,723.93
  6. Step 6: Final answer
    x = 20,934.32

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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.