Home / 28,659.47-39,549.29-17,180.87

Finding the Fourth Proportional to 28,659.47, 39,549.29 and 17,180.87

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Solution

The fourth proportional to 28,659.47, 39,549.29 and 17,180.87 is: 23,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.47 : 39,549.29 = 17,180.87 : x
  2. Step 2: Convert to fraction form
    28,659.47/39,549.29 = 17,180.87/x
  3. Step 3: Cross multiply
    28,659.47x = 39,549.29 × 17,180.87
  4. Step 4: Simplify right side
    28,659.47x = 679,490,926.43
  5. Step 5: Solve for x
    x = 679,490,926.43/28,659.47
  6. Step 6: Final answer
    x = 23,709.13

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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.