Home / 26,137.04-36,066.98-15,380.20

Finding the Fourth Proportional to 26,137.04, 36,066.98 and 15,380.20

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Solution

The fourth proportional to 26,137.04, 36,066.98 and 15,380.20 is: 21,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,137.04 : 36,066.98 = 15,380.20 : x
  2. Step 2: Convert to fraction form
    26,137.04/36,066.98 = 15,380.20/x
  3. Step 3: Cross multiply
    26,137.04x = 36,066.98 × 15,380.20
  4. Step 4: Simplify right side
    26,137.04x = 554,717,365.80
  5. Step 5: Solve for x
    x = 554,717,365.80/26,137.04
  6. Step 6: Final answer
    x = 21,223.42

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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.