Home / 37,882.28-52,278.62-20,887.00

Finding the Fourth Proportional to 37,882.28, 52,278.62 and 20,887.00

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Solution

The fourth proportional to 37,882.28, 52,278.62 and 20,887.00 is: 28,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,882.28 : 52,278.62 = 20,887.00 : x
  2. Step 2: Convert to fraction form
    37,882.28/52,278.62 = 20,887.00/x
  3. Step 3: Cross multiply
    37,882.28x = 52,278.62 × 20,887.00
  4. Step 4: Simplify right side
    37,882.28x = 1,091,943,300.81
  5. Step 5: Solve for x
    x = 1,091,943,300.81/37,882.28
  6. Step 6: Final answer
    x = 28,824.64

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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.