Home / 25,545.40-38,313.78-10,756.60

Finding the Fourth Proportional to 25,545.40, 38,313.78 and 10,756.60

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Solution

The fourth proportional to 25,545.40, 38,313.78 and 10,756.60 is: 16,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.40 : 38,313.78 = 10,756.60 : x
  2. Step 2: Convert to fraction form
    25,545.40/38,313.78 = 10,756.60/x
  3. Step 3: Cross multiply
    25,545.40x = 38,313.78 × 10,756.60
  4. Step 4: Simplify right side
    25,545.40x = 412,126,005.95
  5. Step 5: Solve for x
    x = 412,126,005.95/25,545.40
  6. Step 6: Final answer
    x = 16,133.08

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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.