Home / 28,970.88-43,449.76-13,373.44

Finding the Fourth Proportional to 28,970.88, 43,449.76 and 13,373.44

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Solution

The fourth proportional to 28,970.88, 43,449.76 and 13,373.44 is: 20,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.88 : 43,449.76 = 13,373.44 : x
  2. Step 2: Convert to fraction form
    28,970.88/43,449.76 = 13,373.44/x
  3. Step 3: Cross multiply
    28,970.88x = 43,449.76 × 13,373.44
  4. Step 4: Simplify right side
    28,970.88x = 581,072,758.37
  5. Step 5: Solve for x
    x = 581,072,758.37/28,970.88
  6. Step 6: Final answer
    x = 20,057.13

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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.