Home / 25,628.28-35,360.98-15,556.47

Finding the Fourth Proportional to 25,628.28, 35,360.98 and 15,556.47

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Solution

The fourth proportional to 25,628.28, 35,360.98 and 15,556.47 is: 21,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.28 : 35,360.98 = 15,556.47 : x
  2. Step 2: Convert to fraction form
    25,628.28/35,360.98 = 15,556.47/x
  3. Step 3: Cross multiply
    25,628.28x = 35,360.98 × 15,556.47
  4. Step 4: Simplify right side
    25,628.28x = 550,092,024.54
  5. Step 5: Solve for x
    x = 550,092,024.54/25,628.28
  6. Step 6: Final answer
    x = 21,464.26

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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.