Home / 25,399.60-38,088.30-7,865.32

Finding the Fourth Proportional to 25,399.60, 38,088.30 and 7,865.32

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Solution

The fourth proportional to 25,399.60, 38,088.30 and 7,865.32 is: 11,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.60 : 38,088.30 = 7,865.32 : x
  2. Step 2: Convert to fraction form
    25,399.60/38,088.30 = 7,865.32/x
  3. Step 3: Cross multiply
    25,399.60x = 38,088.30 × 7,865.32
  4. Step 4: Simplify right side
    25,399.60x = 299,576,667.76
  5. Step 5: Solve for x
    x = 299,576,667.76/25,399.60
  6. Step 6: Final answer
    x = 11,794.54

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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.