Home / 25,875.12-38,795.40-8,099.76

Finding the Fourth Proportional to 25,875.12, 38,795.40 and 8,099.76

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Solution

The fourth proportional to 25,875.12, 38,795.40 and 8,099.76 is: 12,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.12 : 38,795.40 = 8,099.76 : x
  2. Step 2: Convert to fraction form
    25,875.12/38,795.40 = 8,099.76/x
  3. Step 3: Cross multiply
    25,875.12x = 38,795.40 × 8,099.76
  4. Step 4: Simplify right side
    25,875.12x = 314,233,429.10
  5. Step 5: Solve for x
    x = 314,233,429.10/25,875.12
  6. Step 6: Final answer
    x = 12,144.23

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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.