Home / 26,862.60-40,284.34-10,218.20

Finding the Fourth Proportional to 26,862.60, 40,284.34 and 10,218.20

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Solution

The fourth proportional to 26,862.60, 40,284.34 and 10,218.20 is: 15,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.60 : 40,284.34 = 10,218.20 : x
  2. Step 2: Convert to fraction form
    26,862.60/40,284.34 = 10,218.20/x
  3. Step 3: Cross multiply
    26,862.60x = 40,284.34 × 10,218.20
  4. Step 4: Simplify right side
    26,862.60x = 411,633,442.99
  5. Step 5: Solve for x
    x = 411,633,442.99/26,862.60
  6. Step 6: Final answer
    x = 15,323.66

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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.