Home / 26,718.28-40,079.58-9,188.12

Finding the Fourth Proportional to 26,718.28, 40,079.58 and 9,188.12

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Solution

The fourth proportional to 26,718.28, 40,079.58 and 9,188.12 is: 13,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.28 : 40,079.58 = 9,188.12 : x
  2. Step 2: Convert to fraction form
    26,718.28/40,079.58 = 9,188.12/x
  3. Step 3: Cross multiply
    26,718.28x = 40,079.58 × 9,188.12
  4. Step 4: Simplify right side
    26,718.28x = 368,255,990.59
  5. Step 5: Solve for x
    x = 368,255,990.59/26,718.28
  6. Step 6: Final answer
    x = 13,782.92

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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.