Home / 28,818.72-43,244.28-13,237.56

Finding the Fourth Proportional to 28,818.72, 43,244.28 and 13,237.56

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Solution

The fourth proportional to 28,818.72, 43,244.28 and 13,237.56 is: 19,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.72 : 43,244.28 = 13,237.56 : x
  2. Step 2: Convert to fraction form
    28,818.72/43,244.28 = 13,237.56/x
  3. Step 3: Cross multiply
    28,818.72x = 43,244.28 × 13,237.56
  4. Step 4: Simplify right side
    28,818.72x = 572,448,751.16
  5. Step 5: Solve for x
    x = 572,448,751.16/28,818.72
  6. Step 6: Final answer
    x = 19,863.78

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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.