Home / 28,748.16-43,171.29-15,626.16

Finding the Fourth Proportional to 28,748.16, 43,171.29 and 15,626.16

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Solution

The fourth proportional to 28,748.16, 43,171.29 and 15,626.16 is: 23,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.16 : 43,171.29 = 15,626.16 : x
  2. Step 2: Convert to fraction form
    28,748.16/43,171.29 = 15,626.16/x
  3. Step 3: Cross multiply
    28,748.16x = 43,171.29 × 15,626.16
  4. Step 4: Simplify right side
    28,748.16x = 674,601,484.95
  5. Step 5: Solve for x
    x = 674,601,484.95/28,748.16
  6. Step 6: Final answer
    x = 23,465.90

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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.