Home / 28,519.28-42,721.44-23,885.60

Finding the Fourth Proportional to 28,519.28, 42,721.44 and 23,885.60

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Solution

The fourth proportional to 28,519.28, 42,721.44 and 23,885.60 is: 35,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.28 : 42,721.44 = 23,885.60 : x
  2. Step 2: Convert to fraction form
    28,519.28/42,721.44 = 23,885.60/x
  3. Step 3: Cross multiply
    28,519.28x = 42,721.44 × 23,885.60
  4. Step 4: Simplify right side
    28,519.28x = 1,020,427,227.26
  5. Step 5: Solve for x
    x = 1,020,427,227.26/28,519.28
  6. Step 6: Final answer
    x = 35,780.26

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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.