Home / 28,572.48-42,924.60-27,391.50

Finding the Fourth Proportional to 28,572.48, 42,924.60 and 27,391.50

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Solution

The fourth proportional to 28,572.48, 42,924.60 and 27,391.50 is: 41,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.48 : 42,924.60 = 27,391.50 : x
  2. Step 2: Convert to fraction form
    28,572.48/42,924.60 = 27,391.50/x
  3. Step 3: Cross multiply
    28,572.48x = 42,924.60 × 27,391.50
  4. Step 4: Simplify right side
    28,572.48x = 1,175,769,180.90
  5. Step 5: Solve for x
    x = 1,175,769,180.90/28,572.48
  6. Step 6: Final answer
    x = 41,150.41

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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.