Home / 28,990.28-40,001.10-27,513.92

Finding the Fourth Proportional to 28,990.28, 40,001.10 and 27,513.92

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Solution

The fourth proportional to 28,990.28, 40,001.10 and 27,513.92 is: 37,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.28 : 40,001.10 = 27,513.92 : x
  2. Step 2: Convert to fraction form
    28,990.28/40,001.10 = 27,513.92/x
  3. Step 3: Cross multiply
    28,990.28x = 40,001.10 × 27,513.92
  4. Step 4: Simplify right side
    28,990.28x = 1,100,587,065.31
  5. Step 5: Solve for x
    x = 1,100,587,065.31/28,990.28
  6. Step 6: Final answer
    x = 37,964.00

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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.