Home / 28,388.16-42,568.08-16,545.96

Finding the Fourth Proportional to 28,388.16, 42,568.08 and 16,545.96

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Solution

The fourth proportional to 28,388.16, 42,568.08 and 16,545.96 is: 24,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.16 : 42,568.08 = 16,545.96 : x
  2. Step 2: Convert to fraction form
    28,388.16/42,568.08 = 16,545.96/x
  3. Step 3: Cross multiply
    28,388.16x = 42,568.08 × 16,545.96
  4. Step 4: Simplify right side
    28,388.16x = 704,329,748.96
  5. Step 5: Solve for x
    x = 704,329,748.96/28,388.16
  6. Step 6: Final answer
    x = 24,810.69

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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.