Home / 25,235.78-37,859.57-7,705.60

Finding the Fourth Proportional to 25,235.78, 37,859.57 and 7,705.60

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Solution

The fourth proportional to 25,235.78, 37,859.57 and 7,705.60 is: 11,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.78 : 37,859.57 = 7,705.60 : x
  2. Step 2: Convert to fraction form
    25,235.78/37,859.57 = 7,705.60/x
  3. Step 3: Cross multiply
    25,235.78x = 37,859.57 × 7,705.60
  4. Step 4: Simplify right side
    25,235.78x = 291,730,702.59
  5. Step 5: Solve for x
    x = 291,730,702.59/25,235.78
  6. Step 6: Final answer
    x = 11,560.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.