Home / 25,260.60-34,859.86-13,930.49

Finding the Fourth Proportional to 25,260.60, 34,859.86 and 13,930.49

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Solution

The fourth proportional to 25,260.60, 34,859.86 and 13,930.49 is: 19,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.60 : 34,859.86 = 13,930.49 : x
  2. Step 2: Convert to fraction form
    25,260.60/34,859.86 = 13,930.49/x
  3. Step 3: Cross multiply
    25,260.60x = 34,859.86 × 13,930.49
  4. Step 4: Simplify right side
    25,260.60x = 485,615,061.81
  5. Step 5: Solve for x
    x = 485,615,061.81/25,260.60
  6. Step 6: Final answer
    x = 19,224.21

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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.