Home / 25,720.24-38,586.48-8,190.04

Finding the Fourth Proportional to 25,720.24, 38,586.48 and 8,190.04

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Solution

The fourth proportional to 25,720.24, 38,586.48 and 8,190.04 is: 12,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.24 : 38,586.48 = 8,190.04 : x
  2. Step 2: Convert to fraction form
    25,720.24/38,586.48 = 8,190.04/x
  3. Step 3: Cross multiply
    25,720.24x = 38,586.48 × 8,190.04
  4. Step 4: Simplify right side
    25,720.24x = 316,024,814.66
  5. Step 5: Solve for x
    x = 316,024,814.66/25,720.24
  6. Step 6: Final answer
    x = 12,287.01

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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.