Home / 22,862.95-31,552.10-12,790.79

Finding the Fourth Proportional to 22,862.95, 31,552.10 and 12,790.79

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Solution

The fourth proportional to 22,862.95, 31,552.10 and 12,790.79 is: 17,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.95 : 31,552.10 = 12,790.79 : x
  2. Step 2: Convert to fraction form
    22,862.95/31,552.10 = 12,790.79/x
  3. Step 3: Cross multiply
    22,862.95x = 31,552.10 × 12,790.79
  4. Step 4: Simplify right side
    22,862.95x = 403,576,479.16
  5. Step 5: Solve for x
    x = 403,576,479.16/22,862.95
  6. Step 6: Final answer
    x = 17,651.98

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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.