Home / 40,157.74-55,328.47-26,521.57

Finding the Fourth Proportional to 40,157.74, 55,328.47 and 26,521.57

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Solution

The fourth proportional to 40,157.74, 55,328.47 and 26,521.57 is: 36,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.74 : 55,328.47 = 26,521.57 : x
  2. Step 2: Convert to fraction form
    40,157.74/55,328.47 = 26,521.57/x
  3. Step 3: Cross multiply
    40,157.74x = 55,328.47 × 26,521.57
  4. Step 4: Simplify right side
    40,157.74x = 1,467,397,890.10
  5. Step 5: Solve for x
    x = 1,467,397,890.10/40,157.74
  6. Step 6: Final answer
    x = 36,540.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.