Home / 28,825.02-43,236.45-9,104.76

Finding the Fourth Proportional to 28,825.02, 43,236.45 and 9,104.76

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Solution

The fourth proportional to 28,825.02, 43,236.45 and 9,104.76 is: 13,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.02 : 43,236.45 = 9,104.76 : x
  2. Step 2: Convert to fraction form
    28,825.02/43,236.45 = 9,104.76/x
  3. Step 3: Cross multiply
    28,825.02x = 43,236.45 × 9,104.76
  4. Step 4: Simplify right side
    28,825.02x = 393,657,500.50
  5. Step 5: Solve for x
    x = 393,657,500.50/28,825.02
  6. Step 6: Final answer
    x = 13,656.80

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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.