Home / 26,239.04-39,352.80-10,660.16

Finding the Fourth Proportional to 26,239.04, 39,352.80 and 10,660.16

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Solution

The fourth proportional to 26,239.04, 39,352.80 and 10,660.16 is: 15,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.04 : 39,352.80 = 10,660.16 : x
  2. Step 2: Convert to fraction form
    26,239.04/39,352.80 = 10,660.16/x
  3. Step 3: Cross multiply
    26,239.04x = 39,352.80 × 10,660.16
  4. Step 4: Simplify right side
    26,239.04x = 419,507,144.45
  5. Step 5: Solve for x
    x = 419,507,144.45/26,239.04
  6. Step 6: Final answer
    x = 15,987.90

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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.