Home / 28,439.57-39,244.44-15,693.26

Finding the Fourth Proportional to 28,439.57, 39,244.44 and 15,693.26

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Solution

The fourth proportional to 28,439.57, 39,244.44 and 15,693.26 is: 21,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,439.57 : 39,244.44 = 15,693.26 : x
  2. Step 2: Convert to fraction form
    28,439.57/39,244.44 = 15,693.26/x
  3. Step 3: Cross multiply
    28,439.57x = 39,244.44 × 15,693.26
  4. Step 4: Simplify right side
    28,439.57x = 615,873,004.25
  5. Step 5: Solve for x
    x = 615,873,004.25/28,439.57
  6. Step 6: Final answer
    x = 21,655.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.