Home / 28,661.47-39,552.04-17,182.87

Finding the Fourth Proportional to 28,661.47, 39,552.04 and 17,182.87

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Solution

The fourth proportional to 28,661.47, 39,552.04 and 17,182.87 is: 23,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,661.47 : 39,552.04 = 17,182.87 : x
  2. Step 2: Convert to fraction form
    28,661.47/39,552.04 = 17,182.87/x
  3. Step 3: Cross multiply
    28,661.47x = 39,552.04 × 17,182.87
  4. Step 4: Simplify right side
    28,661.47x = 679,617,561.55
  5. Step 5: Solve for x
    x = 679,617,561.55/28,661.47
  6. Step 6: Final answer
    x = 23,711.89

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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.