Home / 28,799.64-39,750.92-18,753.16

Finding the Fourth Proportional to 28,799.64, 39,750.92 and 18,753.16

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Solution

The fourth proportional to 28,799.64, 39,750.92 and 18,753.16 is: 25,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.64 : 39,750.92 = 18,753.16 : x
  2. Step 2: Convert to fraction form
    28,799.64/39,750.92 = 18,753.16/x
  3. Step 3: Cross multiply
    28,799.64x = 39,750.92 × 18,753.16
  4. Step 4: Simplify right side
    28,799.64x = 745,455,362.91
  5. Step 5: Solve for x
    x = 745,455,362.91/28,799.64
  6. Step 6: Final answer
    x = 25,884.19

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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.