Home / 28,370.52-42,557.67-8,649.18

Finding the Fourth Proportional to 28,370.52, 42,557.67 and 8,649.18

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Solution

The fourth proportional to 28,370.52, 42,557.67 and 8,649.18 is: 12,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.52 : 42,557.67 = 8,649.18 : x
  2. Step 2: Convert to fraction form
    28,370.52/42,557.67 = 8,649.18/x
  3. Step 3: Cross multiply
    28,370.52x = 42,557.67 × 8,649.18
  4. Step 4: Simplify right side
    28,370.52x = 368,088,948.21
  5. Step 5: Solve for x
    x = 368,088,948.21/28,370.52
  6. Step 6: Final answer
    x = 12,974.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.