Home / 25,851.52-35,669.56-15,091.51

Finding the Fourth Proportional to 25,851.52, 35,669.56 and 15,091.51

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Solution

The fourth proportional to 25,851.52, 35,669.56 and 15,091.51 is: 20,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.52 : 35,669.56 = 15,091.51 : x
  2. Step 2: Convert to fraction form
    25,851.52/35,669.56 = 15,091.51/x
  3. Step 3: Cross multiply
    25,851.52x = 35,669.56 × 15,091.51
  4. Step 4: Simplify right side
    25,851.52x = 538,307,286.49
  5. Step 5: Solve for x
    x = 538,307,286.49/25,851.52
  6. Step 6: Final answer
    x = 20,823.05

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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.