Home / 27,162.12-40,737.65-7,439.16

Finding the Fourth Proportional to 27,162.12, 40,737.65 and 7,439.16

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Solution

The fourth proportional to 27,162.12, 40,737.65 and 7,439.16 is: 11,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.12 : 40,737.65 = 7,439.16 : x
  2. Step 2: Convert to fraction form
    27,162.12/40,737.65 = 7,439.16/x
  3. Step 3: Cross multiply
    27,162.12x = 40,737.65 × 7,439.16
  4. Step 4: Simplify right side
    27,162.12x = 303,053,859.18
  5. Step 5: Solve for x
    x = 303,053,859.18/27,162.12
  6. Step 6: Final answer
    x = 11,157.22

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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.