Home / 25,470.80-35,151.47-14,717.60

Finding the Fourth Proportional to 25,470.80, 35,151.47 and 14,717.60

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Solution

The fourth proportional to 25,470.80, 35,151.47 and 14,717.60 is: 20,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.80 : 35,151.47 = 14,717.60 : x
  2. Step 2: Convert to fraction form
    25,470.80/35,151.47 = 14,717.60/x
  3. Step 3: Cross multiply
    25,470.80x = 35,151.47 × 14,717.60
  4. Step 4: Simplify right side
    25,470.80x = 517,345,212.54
  5. Step 5: Solve for x
    x = 517,345,212.54/25,470.80
  6. Step 6: Final answer
    x = 20,311.30

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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.