Home / 43,512.34-65,256.48-15,428.71

Finding the Fourth Proportional to 43,512.34, 65,256.48 and 15,428.71

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Solution

The fourth proportional to 43,512.34, 65,256.48 and 15,428.71 is: 23,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512.34 : 65,256.48 = 15,428.71 : x
  2. Step 2: Convert to fraction form
    43,512.34/65,256.48 = 15,428.71/x
  3. Step 3: Cross multiply
    43,512.34x = 65,256.48 × 15,428.71
  4. Step 4: Simplify right side
    43,512.34x = 1,006,823,305.54
  5. Step 5: Solve for x
    x = 1,006,823,305.54/43,512.34
  6. Step 6: Final answer
    x = 23,138.80

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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.