Home / 26,621.60-39,884.40-15,519.20

Finding the Fourth Proportional to 26,621.60, 39,884.40 and 15,519.20

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Solution

The fourth proportional to 26,621.60, 39,884.40 and 15,519.20 is: 23,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.60 : 39,884.40 = 15,519.20 : x
  2. Step 2: Convert to fraction form
    26,621.60/39,884.40 = 15,519.20/x
  3. Step 3: Cross multiply
    26,621.60x = 39,884.40 × 15,519.20
  4. Step 4: Simplify right side
    26,621.60x = 618,973,980.48
  5. Step 5: Solve for x
    x = 618,973,980.48/26,621.60
  6. Step 6: Final answer
    x = 23,250.82

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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.