Home / 28,379.43-42,554.57-15,242.85

Finding the Fourth Proportional to 28,379.43, 42,554.57 and 15,242.85

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Solution

The fourth proportional to 28,379.43, 42,554.57 and 15,242.85 is: 22,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.43 : 42,554.57 = 15,242.85 : x
  2. Step 2: Convert to fraction form
    28,379.43/42,554.57 = 15,242.85/x
  3. Step 3: Cross multiply
    28,379.43x = 42,554.57 × 15,242.85
  4. Step 4: Simplify right side
    28,379.43x = 648,652,927.32
  5. Step 5: Solve for x
    x = 648,652,927.32/28,379.43
  6. Step 6: Final answer
    x = 22,856.45

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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.