Home / 47,287.72-65,256.17-25,777.70

Finding the Fourth Proportional to 47,287.72, 65,256.17 and 25,777.70

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Solution

The fourth proportional to 47,287.72, 65,256.17 and 25,777.70 is: 35,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.72 : 65,256.17 = 25,777.70 : x
  2. Step 2: Convert to fraction form
    47,287.72/65,256.17 = 25,777.70/x
  3. Step 3: Cross multiply
    47,287.72x = 65,256.17 × 25,777.70
  4. Step 4: Simplify right side
    47,287.72x = 1,682,153,973.41
  5. Step 5: Solve for x
    x = 1,682,153,973.41/47,287.72
  6. Step 6: Final answer
    x = 35,572.74

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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.