Home / 28,873.19-39,872.51-27,300.78

Finding the Fourth Proportional to 28,873.19, 39,872.51 and 27,300.78

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Solution

The fourth proportional to 28,873.19, 39,872.51 and 27,300.78 is: 37,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.19 : 39,872.51 = 27,300.78 : x
  2. Step 2: Convert to fraction form
    28,873.19/39,872.51 = 27,300.78/x
  3. Step 3: Cross multiply
    28,873.19x = 39,872.51 × 27,300.78
  4. Step 4: Simplify right side
    28,873.19x = 1,088,550,487.05
  5. Step 5: Solve for x
    x = 1,088,550,487.05/28,873.19
  6. Step 6: Final answer
    x = 37,701.09

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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.