Home / 28,572.68-42,858.62-27,866.76

Finding the Fourth Proportional to 28,572.68, 42,858.62 and 27,866.76

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Solution

The fourth proportional to 28,572.68, 42,858.62 and 27,866.76 is: 41,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.68 : 42,858.62 = 27,866.76 : x
  2. Step 2: Convert to fraction form
    28,572.68/42,858.62 = 27,866.76/x
  3. Step 3: Cross multiply
    28,572.68x = 42,858.62 × 27,866.76
  4. Step 4: Simplify right side
    28,572.68x = 1,194,330,877.47
  5. Step 5: Solve for x
    x = 1,194,330,877.47/28,572.68
  6. Step 6: Final answer
    x = 41,799.75

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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.