Home / 28,979.12-40,008.84-27,192.08

Finding the Fourth Proportional to 28,979.12, 40,008.84 and 27,192.08

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Solution

The fourth proportional to 28,979.12, 40,008.84 and 27,192.08 is: 37,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.12 : 40,008.84 = 27,192.08 : x
  2. Step 2: Convert to fraction form
    28,979.12/40,008.84 = 27,192.08/x
  3. Step 3: Cross multiply
    28,979.12x = 40,008.84 × 27,192.08
  4. Step 4: Simplify right side
    28,979.12x = 1,087,923,577.99
  5. Step 5: Solve for x
    x = 1,087,923,577.99/28,979.12
  6. Step 6: Final answer
    x = 37,541.64

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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.