Home / 28,628.61-42,949.28-11,761.59

Finding the Fourth Proportional to 28,628.61, 42,949.28 and 11,761.59

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Solution

The fourth proportional to 28,628.61, 42,949.28 and 11,761.59 is: 17,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.61 : 42,949.28 = 11,761.59 : x
  2. Step 2: Convert to fraction form
    28,628.61/42,949.28 = 11,761.59/x
  3. Step 3: Cross multiply
    28,628.61x = 42,949.28 × 11,761.59
  4. Step 4: Simplify right side
    28,628.61x = 505,151,822.16
  5. Step 5: Solve for x
    x = 505,151,822.16/28,628.61
  6. Step 6: Final answer
    x = 17,645.00

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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.