Home / 28,671.47-39,585.71-17,932.59

Finding the Fourth Proportional to 28,671.47, 39,585.71 and 17,932.59

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Solution

The fourth proportional to 28,671.47, 39,585.71 and 17,932.59 is: 24,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.47 : 39,585.71 = 17,932.59 : x
  2. Step 2: Convert to fraction form
    28,671.47/39,585.71 = 17,932.59/x
  3. Step 3: Cross multiply
    28,671.47x = 39,585.71 × 17,932.59
  4. Step 4: Simplify right side
    28,671.47x = 709,874,352.12
  5. Step 5: Solve for x
    x = 709,874,352.12/28,671.47
  6. Step 6: Final answer
    x = 24,758.91

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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.