Home / 22,629.34-31,229.95-12,557.80

Finding the Fourth Proportional to 22,629.34, 31,229.95 and 12,557.80

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Solution

The fourth proportional to 22,629.34, 31,229.95 and 12,557.80 is: 17,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.34 : 31,229.95 = 12,557.80 : x
  2. Step 2: Convert to fraction form
    22,629.34/31,229.95 = 12,557.80/x
  3. Step 3: Cross multiply
    22,629.34x = 31,229.95 × 12,557.80
  4. Step 4: Simplify right side
    22,629.34x = 392,179,466.11
  5. Step 5: Solve for x
    x = 392,179,466.11/22,629.34
  6. Step 6: Final answer
    x = 17,330.57

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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.