Home / 22,638.85-31,252.07-13,568.52

Finding the Fourth Proportional to 22,638.85, 31,252.07 and 13,568.52

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Solution

The fourth proportional to 22,638.85, 31,252.07 and 13,568.52 is: 18,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.85 : 31,252.07 = 13,568.52 : x
  2. Step 2: Convert to fraction form
    22,638.85/31,252.07 = 13,568.52/x
  3. Step 3: Cross multiply
    22,638.85x = 31,252.07 × 13,568.52
  4. Step 4: Simplify right side
    22,638.85x = 424,044,336.84
  5. Step 5: Solve for x
    x = 424,044,336.84/22,638.85
  6. Step 6: Final answer
    x = 18,730.82

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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.