Home / 25,628.13-38,442.45-8,988.57

Finding the Fourth Proportional to 25,628.13, 38,442.45 and 8,988.57

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Solution

The fourth proportional to 25,628.13, 38,442.45 and 8,988.57 is: 13,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.13 : 38,442.45 = 8,988.57 : x
  2. Step 2: Convert to fraction form
    25,628.13/38,442.45 = 8,988.57/x
  3. Step 3: Cross multiply
    25,628.13x = 38,442.45 × 8,988.57
  4. Step 4: Simplify right side
    25,628.13x = 345,542,652.80
  5. Step 5: Solve for x
    x = 345,542,652.80/25,628.13
  6. Step 6: Final answer
    x = 13,482.94

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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.