Home / 25,047.36-34,577.28-15,629.76

Finding the Fourth Proportional to 25,047.36, 34,577.28 and 15,629.76

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Solution

The fourth proportional to 25,047.36, 34,577.28 and 15,629.76 is: 21,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.36 : 34,577.28 = 15,629.76 : x
  2. Step 2: Convert to fraction form
    25,047.36/34,577.28 = 15,629.76/x
  3. Step 3: Cross multiply
    25,047.36x = 34,577.28 × 15,629.76
  4. Step 4: Simplify right side
    25,047.36x = 540,434,587.85
  5. Step 5: Solve for x
    x = 540,434,587.85/25,047.36
  6. Step 6: Final answer
    x = 21,576.51

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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.