Home / 20,023.18-27,631.29-10,948.75

Finding the Fourth Proportional to 20,023.18, 27,631.29 and 10,948.75

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Solution

The fourth proportional to 20,023.18, 27,631.29 and 10,948.75 is: 15,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.18 : 27,631.29 = 10,948.75 : x
  2. Step 2: Convert to fraction form
    20,023.18/27,631.29 = 10,948.75/x
  3. Step 3: Cross multiply
    20,023.18x = 27,631.29 × 10,948.75
  4. Step 4: Simplify right side
    20,023.18x = 302,528,231.39
  5. Step 5: Solve for x
    x = 302,528,231.39/20,023.18
  6. Step 6: Final answer
    x = 15,108.90

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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.