Home / 26,680.32-40,008.15-15,590.41

Finding the Fourth Proportional to 26,680.32, 40,008.15 and 15,590.41

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Solution

The fourth proportional to 26,680.32, 40,008.15 and 15,590.41 is: 23,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.32 : 40,008.15 = 15,590.41 : x
  2. Step 2: Convert to fraction form
    26,680.32/40,008.15 = 15,590.41/x
  3. Step 3: Cross multiply
    26,680.32x = 40,008.15 × 15,590.41
  4. Step 4: Simplify right side
    26,680.32x = 623,743,361.82
  5. Step 5: Solve for x
    x = 623,743,361.82/26,680.32
  6. Step 6: Final answer
    x = 23,378.41

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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.