Home / 28,312.22-42,473.79-15,179.28

Finding the Fourth Proportional to 28,312.22, 42,473.79 and 15,179.28

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Solution

The fourth proportional to 28,312.22, 42,473.79 and 15,179.28 is: 22,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.22 : 42,473.79 = 15,179.28 : x
  2. Step 2: Convert to fraction form
    28,312.22/42,473.79 = 15,179.28/x
  3. Step 3: Cross multiply
    28,312.22x = 42,473.79 × 15,179.28
  4. Step 4: Simplify right side
    28,312.22x = 644,721,551.07
  5. Step 5: Solve for x
    x = 644,721,551.07/28,312.22
  6. Step 6: Final answer
    x = 22,771.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.