Home / 20,307.66-28,025.91-12,350.22

Finding the Fourth Proportional to 20,307.66, 28,025.91 and 12,350.22

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Solution

The fourth proportional to 20,307.66, 28,025.91 and 12,350.22 is: 17,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.66 : 28,025.91 = 12,350.22 : x
  2. Step 2: Convert to fraction form
    20,307.66/28,025.91 = 12,350.22/x
  3. Step 3: Cross multiply
    20,307.66x = 28,025.91 × 12,350.22
  4. Step 4: Simplify right side
    20,307.66x = 346,126,154.20
  5. Step 5: Solve for x
    x = 346,126,154.20/20,307.66
  6. Step 6: Final answer
    x = 17,044.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.