Home / 28,600.12-39,470-16,026.76

Finding the Fourth Proportional to 28,600.12, 39,470 and 16,026.76

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Solution

The fourth proportional to 28,600.12, 39,470 and 16,026.76 is: 22,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.12 : 39,470 = 16,026.76 : x
  2. Step 2: Convert to fraction form
    28,600.12/39,470 = 16,026.76/x
  3. Step 3: Cross multiply
    28,600.12x = 39,470 × 16,026.76
  4. Step 4: Simplify right side
    28,600.12x = 632,576,217.20
  5. Step 5: Solve for x
    x = 632,576,217.20/28,600.12
  6. Step 6: Final answer
    x = 22,117.96

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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.