Home / 25,620.40-35,359.62-15,014.28

Finding the Fourth Proportional to 25,620.40, 35,359.62 and 15,014.28

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Solution

The fourth proportional to 25,620.40, 35,359.62 and 15,014.28 is: 20,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.40 : 35,359.62 = 15,014.28 : x
  2. Step 2: Convert to fraction form
    25,620.40/35,359.62 = 15,014.28/x
  3. Step 3: Cross multiply
    25,620.40x = 35,359.62 × 15,014.28
  4. Step 4: Simplify right side
    25,620.40x = 530,899,235.37
  5. Step 5: Solve for x
    x = 530,899,235.37/25,620.40
  6. Step 6: Final answer
    x = 20,721.74

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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.