Home / 28,915.57-43,420.44-17,892.48

Finding the Fourth Proportional to 28,915.57, 43,420.44 and 17,892.48

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Solution

The fourth proportional to 28,915.57, 43,420.44 and 17,892.48 is: 26,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.57 : 43,420.44 = 17,892.48 : x
  2. Step 2: Convert to fraction form
    28,915.57/43,420.44 = 17,892.48/x
  3. Step 3: Cross multiply
    28,915.57x = 43,420.44 × 17,892.48
  4. Step 4: Simplify right side
    28,915.57x = 776,899,354.29
  5. Step 5: Solve for x
    x = 776,899,354.29/28,915.57
  6. Step 6: Final answer
    x = 26,867.86

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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.