Home / 26,853.60-40,280.42-10,209.79

Finding the Fourth Proportional to 26,853.60, 40,280.42 and 10,209.79

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Solution

The fourth proportional to 26,853.60, 40,280.42 and 10,209.79 is: 15,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.60 : 40,280.42 = 10,209.79 : x
  2. Step 2: Convert to fraction form
    26,853.60/40,280.42 = 10,209.79/x
  3. Step 3: Cross multiply
    26,853.60x = 40,280.42 × 10,209.79
  4. Step 4: Simplify right side
    26,853.60x = 411,254,705.19
  5. Step 5: Solve for x
    x = 411,254,705.19/26,853.60
  6. Step 6: Final answer
    x = 15,314.69

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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.