Home / 28,397.13-39,190.26-15,652.62

Finding the Fourth Proportional to 28,397.13, 39,190.26 and 15,652.62

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Solution

The fourth proportional to 28,397.13, 39,190.26 and 15,652.62 is: 21,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.13 : 39,190.26 = 15,652.62 : x
  2. Step 2: Convert to fraction form
    28,397.13/39,190.26 = 15,652.62/x
  3. Step 3: Cross multiply
    28,397.13x = 39,190.26 × 15,652.62
  4. Step 4: Simplify right side
    28,397.13x = 613,430,247.48
  5. Step 5: Solve for x
    x = 613,430,247.48/28,397.13
  6. Step 6: Final answer
    x = 21,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.