Home / 26,931.12-40,393.44-7,209.24

Finding the Fourth Proportional to 26,931.12, 40,393.44 and 7,209.24

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Solution

The fourth proportional to 26,931.12, 40,393.44 and 7,209.24 is: 10,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.12 : 40,393.44 = 7,209.24 : x
  2. Step 2: Convert to fraction form
    26,931.12/40,393.44 = 7,209.24/x
  3. Step 3: Cross multiply
    26,931.12x = 40,393.44 × 7,209.24
  4. Step 4: Simplify right side
    26,931.12x = 291,206,003.39
  5. Step 5: Solve for x
    x = 291,206,003.39/26,931.12
  6. Step 6: Final answer
    x = 10,812.99

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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.