Home / 28,656.09-39,545.87-16,080.57

Finding the Fourth Proportional to 28,656.09, 39,545.87 and 16,080.57

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Solution

The fourth proportional to 28,656.09, 39,545.87 and 16,080.57 is: 22,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.09 : 39,545.87 = 16,080.57 : x
  2. Step 2: Convert to fraction form
    28,656.09/39,545.87 = 16,080.57/x
  3. Step 3: Cross multiply
    28,656.09x = 39,545.87 × 16,080.57
  4. Step 4: Simplify right side
    28,656.09x = 635,920,050.34
  5. Step 5: Solve for x
    x = 635,920,050.34/28,656.09
  6. Step 6: Final answer
    x = 22,191.45

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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.