Home / 39,728.41-54,809.53-25,589.46

Finding the Fourth Proportional to 39,728.41, 54,809.53 and 25,589.46

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Solution

The fourth proportional to 39,728.41, 54,809.53 and 25,589.46 is: 35,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728.41 : 54,809.53 = 25,589.46 : x
  2. Step 2: Convert to fraction form
    39,728.41/54,809.53 = 25,589.46/x
  3. Step 3: Cross multiply
    39,728.41x = 54,809.53 × 25,589.46
  4. Step 4: Simplify right side
    39,728.41x = 1,402,546,275.55
  5. Step 5: Solve for x
    x = 1,402,546,275.55/39,728.41
  6. Step 6: Final answer
    x = 35,303.36

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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.