Home / 25,564.54-38,295.75-20,308.45

Finding the Fourth Proportional to 25,564.54, 38,295.75 and 20,308.45

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Solution

The fourth proportional to 25,564.54, 38,295.75 and 20,308.45 is: 30,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.54 : 38,295.75 = 20,308.45 : x
  2. Step 2: Convert to fraction form
    25,564.54/38,295.75 = 20,308.45/x
  3. Step 3: Cross multiply
    25,564.54x = 38,295.75 × 20,308.45
  4. Step 4: Simplify right side
    25,564.54x = 777,727,132.61
  5. Step 5: Solve for x
    x = 777,727,132.61/25,564.54
  6. Step 6: Final answer
    x = 30,422.11

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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.