Home / 25,293.60-37,940.40-18,732.60

Finding the Fourth Proportional to 25,293.60, 37,940.40 and 18,732.60

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Solution

The fourth proportional to 25,293.60, 37,940.40 and 18,732.60 is: 28,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293.60 : 37,940.40 = 18,732.60 : x
  2. Step 2: Convert to fraction form
    25,293.60/37,940.40 = 18,732.60/x
  3. Step 3: Cross multiply
    25,293.60x = 37,940.40 × 18,732.60
  4. Step 4: Simplify right side
    25,293.60x = 710,722,337.04
  5. Step 5: Solve for x
    x = 710,722,337.04/25,293.60
  6. Step 6: Final answer
    x = 28,098.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.