Home / 25,420.23-38,103.01-10,621.53

Finding the Fourth Proportional to 25,420.23, 38,103.01 and 10,621.53

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Solution

The fourth proportional to 25,420.23, 38,103.01 and 10,621.53 is: 15,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.23 : 38,103.01 = 10,621.53 : x
  2. Step 2: Convert to fraction form
    25,420.23/38,103.01 = 10,621.53/x
  3. Step 3: Cross multiply
    25,420.23x = 38,103.01 × 10,621.53
  4. Step 4: Simplify right side
    25,420.23x = 404,712,237.25
  5. Step 5: Solve for x
    x = 404,712,237.25/25,420.23
  6. Step 6: Final answer
    x = 15,920.87

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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.