Home / 25,532.07-38,298.36-7,765.60

Finding the Fourth Proportional to 25,532.07, 38,298.36 and 7,765.60

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Solution

The fourth proportional to 25,532.07, 38,298.36 and 7,765.60 is: 11,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.07 : 38,298.36 = 7,765.60 : x
  2. Step 2: Convert to fraction form
    25,532.07/38,298.36 = 7,765.60/x
  3. Step 3: Cross multiply
    25,532.07x = 38,298.36 × 7,765.60
  4. Step 4: Simplify right side
    25,532.07x = 297,409,744.42
  5. Step 5: Solve for x
    x = 297,409,744.42/25,532.07
  6. Step 6: Final answer
    x = 11,648.48

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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.