Home / 25,126.36-34,690.60-15,576.45

Finding the Fourth Proportional to 25,126.36, 34,690.60 and 15,576.45

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Solution

The fourth proportional to 25,126.36, 34,690.60 and 15,576.45 is: 21,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.36 : 34,690.60 = 15,576.45 : x
  2. Step 2: Convert to fraction form
    25,126.36/34,690.60 = 15,576.45/x
  3. Step 3: Cross multiply
    25,126.36x = 34,690.60 × 15,576.45
  4. Step 4: Simplify right side
    25,126.36x = 540,356,314.07
  5. Step 5: Solve for x
    x = 540,356,314.07/25,126.36
  6. Step 6: Final answer
    x = 21,505.56

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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.