Home / 26,718.76-40,088.70-8,252.20

Finding the Fourth Proportional to 26,718.76, 40,088.70 and 8,252.20

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Solution

The fourth proportional to 26,718.76, 40,088.70 and 8,252.20 is: 12,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.76 : 40,088.70 = 8,252.20 : x
  2. Step 2: Convert to fraction form
    26,718.76/40,088.70 = 8,252.20/x
  3. Step 3: Cross multiply
    26,718.76x = 40,088.70 × 8,252.20
  4. Step 4: Simplify right side
    26,718.76x = 330,819,970.14
  5. Step 5: Solve for x
    x = 330,819,970.14/26,718.76
  6. Step 6: Final answer
    x = 12,381.56

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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.