Home / 40,680.24-61,020.28-26,728.40

Finding the Fourth Proportional to 40,680.24, 61,020.28 and 26,728.40

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Solution

The fourth proportional to 40,680.24, 61,020.28 and 26,728.40 is: 40,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.24 : 61,020.28 = 26,728.40 : x
  2. Step 2: Convert to fraction form
    40,680.24/61,020.28 = 26,728.40/x
  3. Step 3: Cross multiply
    40,680.24x = 61,020.28 × 26,728.40
  4. Step 4: Simplify right side
    40,680.24x = 1,630,974,451.95
  5. Step 5: Solve for x
    x = 1,630,974,451.95/40,680.24
  6. Step 6: Final answer
    x = 40,092.55

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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.