Home / 28,452.17-42,697.30-11,812.22

Finding the Fourth Proportional to 28,452.17, 42,697.30 and 11,812.22

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Solution

The fourth proportional to 28,452.17, 42,697.30 and 11,812.22 is: 17,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.17 : 42,697.30 = 11,812.22 : x
  2. Step 2: Convert to fraction form
    28,452.17/42,697.30 = 11,812.22/x
  3. Step 3: Cross multiply
    28,452.17x = 42,697.30 × 11,812.22
  4. Step 4: Simplify right side
    28,452.17x = 504,349,657.99
  5. Step 5: Solve for x
    x = 504,349,657.99/28,452.17
  6. Step 6: Final answer
    x = 17,726.23

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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.