Home / 28,972.03-43,449.67-13,168.25

Finding the Fourth Proportional to 28,972.03, 43,449.67 and 13,168.25

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Solution

The fourth proportional to 28,972.03, 43,449.67 and 13,168.25 is: 19,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.03 : 43,449.67 = 13,168.25 : x
  2. Step 2: Convert to fraction form
    28,972.03/43,449.67 = 13,168.25/x
  3. Step 3: Cross multiply
    28,972.03x = 43,449.67 × 13,168.25
  4. Step 4: Simplify right side
    28,972.03x = 572,156,051.14
  5. Step 5: Solve for x
    x = 572,156,051.14/28,972.03
  6. Step 6: Final answer
    x = 19,748.57

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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.