Home / 22,840.59-31,516.96-12,767.77

Finding the Fourth Proportional to 22,840.59, 31,516.96 and 12,767.77

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Solution

The fourth proportional to 22,840.59, 31,516.96 and 12,767.77 is: 17,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,840.59 : 31,516.96 = 12,767.77 : x
  2. Step 2: Convert to fraction form
    22,840.59/31,516.96 = 12,767.77/x
  3. Step 3: Cross multiply
    22,840.59x = 31,516.96 × 12,767.77
  4. Step 4: Simplify right side
    22,840.59x = 402,401,296.38
  5. Step 5: Solve for x
    x = 402,401,296.38/22,840.59
  6. Step 6: Final answer
    x = 17,617.82

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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.