Home / 28,454.95-42,682.43-25,636.15

Finding the Fourth Proportional to 28,454.95, 42,682.43 and 25,636.15

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Solution

The fourth proportional to 28,454.95, 42,682.43 and 25,636.15 is: 38,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.95 : 42,682.43 = 25,636.15 : x
  2. Step 2: Convert to fraction form
    28,454.95/42,682.43 = 25,636.15/x
  3. Step 3: Cross multiply
    28,454.95x = 42,682.43 × 25,636.15
  4. Step 4: Simplify right side
    28,454.95x = 1,094,213,049.66
  5. Step 5: Solve for x
    x = 1,094,213,049.66/28,454.95
  6. Step 6: Final answer
    x = 38,454.23

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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.