Home / 22,617.44-31,233.84-15,560.72

Finding the Fourth Proportional to 22,617.44, 31,233.84 and 15,560.72

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Solution

The fourth proportional to 22,617.44, 31,233.84 and 15,560.72 is: 21,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.44 : 31,233.84 = 15,560.72 : x
  2. Step 2: Convert to fraction form
    22,617.44/31,233.84 = 15,560.72/x
  3. Step 3: Cross multiply
    22,617.44x = 31,233.84 × 15,560.72
  4. Step 4: Simplify right side
    22,617.44x = 486,021,038.76
  5. Step 5: Solve for x
    x = 486,021,038.76/22,617.44
  6. Step 6: Final answer
    x = 21,488.77

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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.