Home / 25,470.60-35,153.61-14,143.71

Finding the Fourth Proportional to 25,470.60, 35,153.61 and 14,143.71

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Solution

The fourth proportional to 25,470.60, 35,153.61 and 14,143.71 is: 19,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.60 : 35,153.61 = 14,143.71 : x
  2. Step 2: Convert to fraction form
    25,470.60/35,153.61 = 14,143.71/x
  3. Step 3: Cross multiply
    25,470.60x = 35,153.61 × 14,143.71
  4. Step 4: Simplify right side
    25,470.60x = 497,202,465.29
  5. Step 5: Solve for x
    x = 497,202,465.29/25,470.60
  6. Step 6: Final answer
    x = 19,520.64

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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.