Home / 25,645.55-38,470.07-15,130.94

Finding the Fourth Proportional to 25,645.55, 38,470.07 and 15,130.94

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Solution

The fourth proportional to 25,645.55, 38,470.07 and 15,130.94 is: 22,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.55 : 38,470.07 = 15,130.94 : x
  2. Step 2: Convert to fraction form
    25,645.55/38,470.07 = 15,130.94/x
  3. Step 3: Cross multiply
    25,645.55x = 38,470.07 × 15,130.94
  4. Step 4: Simplify right side
    25,645.55x = 582,088,166.44
  5. Step 5: Solve for x
    x = 582,088,166.44/25,645.55
  6. Step 6: Final answer
    x = 22,697.44

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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.