Home / 28,549.15-39,397.75-16,613.19

Finding the Fourth Proportional to 28,549.15, 39,397.75 and 16,613.19

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Solution

The fourth proportional to 28,549.15, 39,397.75 and 16,613.19 is: 22,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.15 : 39,397.75 = 16,613.19 : x
  2. Step 2: Convert to fraction form
    28,549.15/39,397.75 = 16,613.19/x
  3. Step 3: Cross multiply
    28,549.15x = 39,397.75 × 16,613.19
  4. Step 4: Simplify right side
    28,549.15x = 654,522,264.79
  5. Step 5: Solve for x
    x = 654,522,264.79/28,549.15
  6. Step 6: Final answer
    x = 22,926.16

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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.