Home / 28,284.12-38,999.88-18,061.38

Finding the Fourth Proportional to 28,284.12, 38,999.88 and 18,061.38

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Solution

The fourth proportional to 28,284.12, 38,999.88 and 18,061.38 is: 24,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.12 : 38,999.88 = 18,061.38 : x
  2. Step 2: Convert to fraction form
    28,284.12/38,999.88 = 18,061.38/x
  3. Step 3: Cross multiply
    28,284.12x = 38,999.88 × 18,061.38
  4. Step 4: Simplify right side
    28,284.12x = 704,391,652.63
  5. Step 5: Solve for x
    x = 704,391,652.63/28,284.12
  6. Step 6: Final answer
    x = 24,904.14

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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.