Home / 26,145.60-39,218.40-17,851.20

Finding the Fourth Proportional to 26,145.60, 39,218.40 and 17,851.20

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Solution

The fourth proportional to 26,145.60, 39,218.40 and 17,851.20 is: 26,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.60 : 39,218.40 = 17,851.20 : x
  2. Step 2: Convert to fraction form
    26,145.60/39,218.40 = 17,851.20/x
  3. Step 3: Cross multiply
    26,145.60x = 39,218.40 × 17,851.20
  4. Step 4: Simplify right side
    26,145.60x = 700,095,502.08
  5. Step 5: Solve for x
    x = 700,095,502.08/26,145.60
  6. Step 6: Final answer
    x = 26,776.80

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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.