Home / 40,728.08-61,077.12-14,067.28

Finding the Fourth Proportional to 40,728.08, 61,077.12 and 14,067.28

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Solution

The fourth proportional to 40,728.08, 61,077.12 and 14,067.28 is: 21,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.08 : 61,077.12 = 14,067.28 : x
  2. Step 2: Convert to fraction form
    40,728.08/61,077.12 = 14,067.28/x
  3. Step 3: Cross multiply
    40,728.08x = 61,077.12 × 14,067.28
  4. Step 4: Simplify right side
    40,728.08x = 859,188,948.63
  5. Step 5: Solve for x
    x = 859,188,948.63/40,728.08
  6. Step 6: Final answer
    x = 21,095.74

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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.