Home / 28,755.29-43,118.34-13,159.55

Finding the Fourth Proportional to 28,755.29, 43,118.34 and 13,159.55

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Solution

The fourth proportional to 28,755.29, 43,118.34 and 13,159.55 is: 19,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.29 : 43,118.34 = 13,159.55 : x
  2. Step 2: Convert to fraction form
    28,755.29/43,118.34 = 13,159.55/x
  3. Step 3: Cross multiply
    28,755.29x = 43,118.34 × 13,159.55
  4. Step 4: Simplify right side
    28,755.29x = 567,417,841.08
  5. Step 5: Solve for x
    x = 567,417,841.08/28,755.29
  6. Step 6: Final answer
    x = 19,732.64

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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.