Home / 37,686.05-51,972.85-28,149.06

Finding the Fourth Proportional to 37,686.05, 51,972.85 and 28,149.06

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Solution

The fourth proportional to 37,686.05, 51,972.85 and 28,149.06 is: 38,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.05 : 51,972.85 = 28,149.06 : x
  2. Step 2: Convert to fraction form
    37,686.05/51,972.85 = 28,149.06/x
  3. Step 3: Cross multiply
    37,686.05x = 51,972.85 × 28,149.06
  4. Step 4: Simplify right side
    37,686.05x = 1,462,986,873.02
  5. Step 5: Solve for x
    x = 1,462,986,873.02/37,686.05
  6. Step 6: Final answer
    x = 38,820.38

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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.