Home / 25,572.29-38,307.38-20,316.20

Finding the Fourth Proportional to 25,572.29, 38,307.38 and 20,316.20

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Solution

The fourth proportional to 25,572.29, 38,307.38 and 20,316.20 is: 30,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.29 : 38,307.38 = 20,316.20 : x
  2. Step 2: Convert to fraction form
    25,572.29/38,307.38 = 20,316.20/x
  3. Step 3: Cross multiply
    25,572.29x = 38,307.38 × 20,316.20
  4. Step 4: Simplify right side
    25,572.29x = 778,260,100.44
  5. Step 5: Solve for x
    x = 778,260,100.44/25,572.29
  6. Step 6: Final answer
    x = 30,433.73

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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.