Home / 26,726.58-40,120.74-15,641.28

Finding the Fourth Proportional to 26,726.58, 40,120.74 and 15,641.28

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Solution

The fourth proportional to 26,726.58, 40,120.74 and 15,641.28 is: 23,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.58 : 40,120.74 = 15,641.28 : x
  2. Step 2: Convert to fraction form
    26,726.58/40,120.74 = 15,641.28/x
  3. Step 3: Cross multiply
    26,726.58x = 40,120.74 × 15,641.28
  4. Step 4: Simplify right side
    26,726.58x = 627,539,728.15
  5. Step 5: Solve for x
    x = 627,539,728.15/26,726.58
  6. Step 6: Final answer
    x = 23,479.99

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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.