Home / 25,505.55-38,215.11-15,624.23

Finding the Fourth Proportional to 25,505.55, 38,215.11 and 15,624.23

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Solution

The fourth proportional to 25,505.55, 38,215.11 and 15,624.23 is: 23,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.55 : 38,215.11 = 15,624.23 : x
  2. Step 2: Convert to fraction form
    25,505.55/38,215.11 = 15,624.23/x
  3. Step 3: Cross multiply
    25,505.55x = 38,215.11 × 15,624.23
  4. Step 4: Simplify right side
    25,505.55x = 597,081,477.04
  5. Step 5: Solve for x
    x = 597,081,477.04/25,505.55
  6. Step 6: Final answer
    x = 23,409.86

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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.