Home / 26,721.60-40,082.40-7,002.15

Finding the Fourth Proportional to 26,721.60, 40,082.40 and 7,002.15

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Solution

The fourth proportional to 26,721.60, 40,082.40 and 7,002.15 is: 10,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.60 : 40,082.40 = 7,002.15 : x
  2. Step 2: Convert to fraction form
    26,721.60/40,082.40 = 7,002.15/x
  3. Step 3: Cross multiply
    26,721.60x = 40,082.40 × 7,002.15
  4. Step 4: Simplify right side
    26,721.60x = 280,662,977.16
  5. Step 5: Solve for x
    x = 280,662,977.16/26,721.60
  6. Step 6: Final answer
    x = 10,503.23

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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.