Home / 25,514.20-35,210.28-15,440.50

Finding the Fourth Proportional to 25,514.20, 35,210.28 and 15,440.50

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Solution

The fourth proportional to 25,514.20, 35,210.28 and 15,440.50 is: 21,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,514.20 : 35,210.28 = 15,440.50 : x
  2. Step 2: Convert to fraction form
    25,514.20/35,210.28 = 15,440.50/x
  3. Step 3: Cross multiply
    25,514.20x = 35,210.28 × 15,440.50
  4. Step 4: Simplify right side
    25,514.20x = 543,664,328.34
  5. Step 5: Solve for x
    x = 543,664,328.34/25,514.20
  6. Step 6: Final answer
    x = 21,308.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.