Home / 28,901.67-43,347.97-9,177.63

Finding the Fourth Proportional to 28,901.67, 43,347.97 and 9,177.63

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Solution

The fourth proportional to 28,901.67, 43,347.97 and 9,177.63 is: 13,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.67 : 43,347.97 = 9,177.63 : x
  2. Step 2: Convert to fraction form
    28,901.67/43,347.97 = 9,177.63/x
  3. Step 3: Cross multiply
    28,901.67x = 43,347.97 × 9,177.63
  4. Step 4: Simplify right side
    28,901.67x = 397,831,629.91
  5. Step 5: Solve for x
    x = 397,831,629.91/28,901.67
  6. Step 6: Final answer
    x = 13,765.00

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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.