Home / 26,349.68-36,357.12-15,016.80

Finding the Fourth Proportional to 26,349.68, 36,357.12 and 15,016.80

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Solution

The fourth proportional to 26,349.68, 36,357.12 and 15,016.80 is: 20,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.68 : 36,357.12 = 15,016.80 : x
  2. Step 2: Convert to fraction form
    26,349.68/36,357.12 = 15,016.80/x
  3. Step 3: Cross multiply
    26,349.68x = 36,357.12 × 15,016.80
  4. Step 4: Simplify right side
    26,349.68x = 545,967,599.62
  5. Step 5: Solve for x
    x = 545,967,599.62/26,349.68
  6. Step 6: Final answer
    x = 20,720.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.