Home / 28,592.28-42,873.80-11,947.77

Finding the Fourth Proportional to 28,592.28, 42,873.80 and 11,947.77

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Solution

The fourth proportional to 28,592.28, 42,873.80 and 11,947.77 is: 17,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.28 : 42,873.80 = 11,947.77 : x
  2. Step 2: Convert to fraction form
    28,592.28/42,873.80 = 11,947.77/x
  3. Step 3: Cross multiply
    28,592.28x = 42,873.80 × 11,947.77
  4. Step 4: Simplify right side
    28,592.28x = 512,246,241.69
  5. Step 5: Solve for x
    x = 512,246,241.69/28,592.28
  6. Step 6: Final answer
    x = 17,915.54

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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.