Home / 28,681.14-39,580.83-17,352.71

Finding the Fourth Proportional to 28,681.14, 39,580.83 and 17,352.71

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Solution

The fourth proportional to 28,681.14, 39,580.83 and 17,352.71 is: 23,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.14 : 39,580.83 = 17,352.71 : x
  2. Step 2: Convert to fraction form
    28,681.14/39,580.83 = 17,352.71/x
  3. Step 3: Cross multiply
    28,681.14x = 39,580.83 × 17,352.71
  4. Step 4: Simplify right side
    28,681.14x = 686,834,454.95
  5. Step 5: Solve for x
    x = 686,834,454.95/28,681.14
  6. Step 6: Final answer
    x = 23,947.25

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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.