Home / 28,872.06-39,870.96-27,299.64

Finding the Fourth Proportional to 28,872.06, 39,870.96 and 27,299.64

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Solution

The fourth proportional to 28,872.06, 39,870.96 and 27,299.64 is: 37,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.06 : 39,870.96 = 27,299.64 : x
  2. Step 2: Convert to fraction form
    28,872.06/39,870.96 = 27,299.64/x
  3. Step 3: Cross multiply
    28,872.06x = 39,870.96 × 27,299.64
  4. Step 4: Simplify right side
    28,872.06x = 1,088,462,854.45
  5. Step 5: Solve for x
    x = 1,088,462,854.45/28,872.06
  6. Step 6: Final answer
    x = 37,699.52

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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.