Home / 28,986.12-40,018.50-27,199.08

Finding the Fourth Proportional to 28,986.12, 40,018.50 and 27,199.08

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Solution

The fourth proportional to 28,986.12, 40,018.50 and 27,199.08 is: 37,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.12 : 40,018.50 = 27,199.08 : x
  2. Step 2: Convert to fraction form
    28,986.12/40,018.50 = 27,199.08/x
  3. Step 3: Cross multiply
    28,986.12x = 40,018.50 × 27,199.08
  4. Step 4: Simplify right side
    28,986.12x = 1,088,466,382.98
  5. Step 5: Solve for x
    x = 1,088,466,382.98/28,986.12
  6. Step 6: Final answer
    x = 37,551.30

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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.