Home / 28,543.95-39,393.81-16,613.91

Finding the Fourth Proportional to 28,543.95, 39,393.81 and 16,613.91

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Solution

The fourth proportional to 28,543.95, 39,393.81 and 16,613.91 is: 22,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.95 : 39,393.81 = 16,613.91 : x
  2. Step 2: Convert to fraction form
    28,543.95/39,393.81 = 16,613.91/x
  3. Step 3: Cross multiply
    28,543.95x = 39,393.81 × 16,613.91
  4. Step 4: Simplify right side
    28,543.95x = 654,485,213.90
  5. Step 5: Solve for x
    x = 654,485,213.90/28,543.95
  6. Step 6: Final answer
    x = 22,929.03

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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.