Home / 25,275.89-34,880.49-13,945.49

Finding the Fourth Proportional to 25,275.89, 34,880.49 and 13,945.49

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Solution

The fourth proportional to 25,275.89, 34,880.49 and 13,945.49 is: 19,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.89 : 34,880.49 = 13,945.49 : x
  2. Step 2: Convert to fraction form
    25,275.89/34,880.49 = 13,945.49/x
  3. Step 3: Cross multiply
    25,275.89x = 34,880.49 × 13,945.49
  4. Step 4: Simplify right side
    25,275.89x = 486,425,350.09
  5. Step 5: Solve for x
    x = 486,425,350.09/25,275.89
  6. Step 6: Final answer
    x = 19,244.64

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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.