Home / 25,627.08-35,359.34-15,555.27

Finding the Fourth Proportional to 25,627.08, 35,359.34 and 15,555.27

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Solution

The fourth proportional to 25,627.08, 35,359.34 and 15,555.27 is: 21,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.08 : 35,359.34 = 15,555.27 : x
  2. Step 2: Convert to fraction form
    25,627.08/35,359.34 = 15,555.27/x
  3. Step 3: Cross multiply
    25,627.08x = 35,359.34 × 15,555.27
  4. Step 4: Simplify right side
    25,627.08x = 550,024,002.95
  5. Step 5: Solve for x
    x = 550,024,002.95/25,627.08
  6. Step 6: Final answer
    x = 21,462.61

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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.