Home / 47,256.80-65,216.60-28,132.25

Finding the Fourth Proportional to 47,256.80, 65,216.60 and 28,132.25

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Solution

The fourth proportional to 47,256.80, 65,216.60 and 28,132.25 is: 38,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256.80 : 65,216.60 = 28,132.25 : x
  2. Step 2: Convert to fraction form
    47,256.80/65,216.60 = 28,132.25/x
  3. Step 3: Cross multiply
    47,256.80x = 65,216.60 × 28,132.25
  4. Step 4: Simplify right side
    47,256.80x = 1,834,689,228.61
  5. Step 5: Solve for x
    x = 1,834,689,228.61/47,256.80
  6. Step 6: Final answer
    x = 38,823.82

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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.