Home / 28,541.40-39,387.50-17,790.62

Finding the Fourth Proportional to 28,541.40, 39,387.50 and 17,790.62

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Solution

The fourth proportional to 28,541.40, 39,387.50 and 17,790.62 is: 24,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.40 : 39,387.50 = 17,790.62 : x
  2. Step 2: Convert to fraction form
    28,541.40/39,387.50 = 17,790.62/x
  3. Step 3: Cross multiply
    28,541.40x = 39,387.50 × 17,790.62
  4. Step 4: Simplify right side
    28,541.40x = 700,727,759.36
  5. Step 5: Solve for x
    x = 700,727,759.36/28,541.40
  6. Step 6: Final answer
    x = 24,551.27

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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.