Home / 28,267.58-42,407.51-8,545.62

Finding the Fourth Proportional to 28,267.58, 42,407.51 and 8,545.62

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Solution

The fourth proportional to 28,267.58, 42,407.51 and 8,545.62 is: 12,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.58 : 42,407.51 = 8,545.62 : x
  2. Step 2: Convert to fraction form
    28,267.58/42,407.51 = 8,545.62/x
  3. Step 3: Cross multiply
    28,267.58x = 42,407.51 × 8,545.62
  4. Step 4: Simplify right side
    28,267.58x = 362,398,486.97
  5. Step 5: Solve for x
    x = 362,398,486.97/28,267.58
  6. Step 6: Final answer
    x = 12,820.29

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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.