Home / 26,387.80-39,607.62-20,089.24

Finding the Fourth Proportional to 26,387.80, 39,607.62 and 20,089.24

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Solution

The fourth proportional to 26,387.80, 39,607.62 and 20,089.24 is: 30,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.80 : 39,607.62 = 20,089.24 : x
  2. Step 2: Convert to fraction form
    26,387.80/39,607.62 = 20,089.24/x
  3. Step 3: Cross multiply
    26,387.80x = 39,607.62 × 20,089.24
  4. Step 4: Simplify right side
    26,387.80x = 795,686,984.01
  5. Step 5: Solve for x
    x = 795,686,984.01/26,387.80
  6. Step 6: Final answer
    x = 30,153.59

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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.