Home / 25,394.50-38,109.03-15,271.12

Finding the Fourth Proportional to 25,394.50, 38,109.03 and 15,271.12

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Solution

The fourth proportional to 25,394.50, 38,109.03 and 15,271.12 is: 22,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.50 : 38,109.03 = 15,271.12 : x
  2. Step 2: Convert to fraction form
    25,394.50/38,109.03 = 15,271.12/x
  3. Step 3: Cross multiply
    25,394.50x = 38,109.03 × 15,271.12
  4. Step 4: Simplify right side
    25,394.50x = 581,967,570.21
  5. Step 5: Solve for x
    x = 581,967,570.21/25,394.50
  6. Step 6: Final answer
    x = 22,917.07

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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.