Home / 28,971.90-43,449.48-13,168.13

Finding the Fourth Proportional to 28,971.90, 43,449.48 and 13,168.13

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Solution

The fourth proportional to 28,971.90, 43,449.48 and 13,168.13 is: 19,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.90 : 43,449.48 = 13,168.13 : x
  2. Step 2: Convert to fraction form
    28,971.90/43,449.48 = 13,168.13/x
  3. Step 3: Cross multiply
    28,971.90x = 43,449.48 × 13,168.13
  4. Step 4: Simplify right side
    28,971.90x = 572,148,183.83
  5. Step 5: Solve for x
    x = 572,148,183.83/28,971.90
  6. Step 6: Final answer
    x = 19,748.38

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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.