Home / 25,125.04-37,687.60-18,806.50

Finding the Fourth Proportional to 25,125.04, 37,687.60 and 18,806.50

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Solution

The fourth proportional to 25,125.04, 37,687.60 and 18,806.50 is: 28,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.04 : 37,687.60 = 18,806.50 : x
  2. Step 2: Convert to fraction form
    25,125.04/37,687.60 = 18,806.50/x
  3. Step 3: Cross multiply
    25,125.04x = 37,687.60 × 18,806.50
  4. Step 4: Simplify right side
    25,125.04x = 708,771,849.40
  5. Step 5: Solve for x
    x = 708,771,849.40/25,125.04
  6. Step 6: Final answer
    x = 28,209.78

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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.