Home / 25,618.40-35,356.84-15,012.26

Finding the Fourth Proportional to 25,618.40, 35,356.84 and 15,012.26

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Solution

The fourth proportional to 25,618.40, 35,356.84 and 15,012.26 is: 20,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.40 : 35,356.84 = 15,012.26 : x
  2. Step 2: Convert to fraction form
    25,618.40/35,356.84 = 15,012.26/x
  3. Step 3: Cross multiply
    25,618.40x = 35,356.84 × 15,012.26
  4. Step 4: Simplify right side
    25,618.40x = 530,786,074.86
  5. Step 5: Solve for x
    x = 530,786,074.86/25,618.40
  6. Step 6: Final answer
    x = 20,718.94

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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.