Home / 26,989.12-40,482.20-8,269.18

Finding the Fourth Proportional to 26,989.12, 40,482.20 and 8,269.18

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Solution

The fourth proportional to 26,989.12, 40,482.20 and 8,269.18 is: 12,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.12 : 40,482.20 = 8,269.18 : x
  2. Step 2: Convert to fraction form
    26,989.12/40,482.20 = 8,269.18/x
  3. Step 3: Cross multiply
    26,989.12x = 40,482.20 × 8,269.18
  4. Step 4: Simplify right side
    26,989.12x = 334,754,598.60
  5. Step 5: Solve for x
    x = 334,754,598.60/26,989.12
  6. Step 6: Final answer
    x = 12,403.32

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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.