Home / 25,275.59-34,880.66-13,945.58

Finding the Fourth Proportional to 25,275.59, 34,880.66 and 13,945.58

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Solution

The fourth proportional to 25,275.59, 34,880.66 and 13,945.58 is: 19,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.59 : 34,880.66 = 13,945.58 : x
  2. Step 2: Convert to fraction form
    25,275.59/34,880.66 = 13,945.58/x
  3. Step 3: Cross multiply
    25,275.59x = 34,880.66 × 13,945.58
  4. Step 4: Simplify right side
    25,275.59x = 486,430,894.94
  5. Step 5: Solve for x
    x = 486,430,894.94/25,275.59
  6. Step 6: Final answer
    x = 19,245.09

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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.