Home / 25,564.41-38,295.56-20,308.32

Finding the Fourth Proportional to 25,564.41, 38,295.56 and 20,308.32

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Solution

The fourth proportional to 25,564.41, 38,295.56 and 20,308.32 is: 30,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.41 : 38,295.56 = 20,308.32 : x
  2. Step 2: Convert to fraction form
    25,564.41/38,295.56 = 20,308.32/x
  3. Step 3: Cross multiply
    25,564.41x = 38,295.56 × 20,308.32
  4. Step 4: Simplify right side
    25,564.41x = 777,718,537.83
  5. Step 5: Solve for x
    x = 777,718,537.83/25,564.41
  6. Step 6: Final answer
    x = 30,421.92

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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.