Home / 37,882.79-52,278.60-20,887.64

Finding the Fourth Proportional to 37,882.79, 52,278.60 and 20,887.64

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Solution

The fourth proportional to 37,882.79, 52,278.60 and 20,887.64 is: 28,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,882.79 : 52,278.60 = 20,887.64 : x
  2. Step 2: Convert to fraction form
    37,882.79/52,278.60 = 20,887.64/x
  3. Step 3: Cross multiply
    37,882.79x = 52,278.60 × 20,887.64
  4. Step 4: Simplify right side
    37,882.79x = 1,091,976,315.11
  5. Step 5: Solve for x
    x = 1,091,976,315.11/37,882.79
  6. Step 6: Final answer
    x = 28,825.13

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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.