Home / 26,863.60-40,285.84-10,219.20

Finding the Fourth Proportional to 26,863.60, 40,285.84 and 10,219.20

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Solution

The fourth proportional to 26,863.60, 40,285.84 and 10,219.20 is: 15,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.60 : 40,285.84 = 10,219.20 : x
  2. Step 2: Convert to fraction form
    26,863.60/40,285.84 = 10,219.20/x
  3. Step 3: Cross multiply
    26,863.60x = 40,285.84 × 10,219.20
  4. Step 4: Simplify right side
    26,863.60x = 411,689,056.13
  5. Step 5: Solve for x
    x = 411,689,056.13/26,863.60
  6. Step 6: Final answer
    x = 15,325.16

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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.