Home / 19,210.20-28,766.70-15,322.20

Finding the Fourth Proportional to 19,210.20, 28,766.70 and 15,322.20

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Solution

The fourth proportional to 19,210.20, 28,766.70 and 15,322.20 is: 22,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.20 : 28,766.70 = 15,322.20 : x
  2. Step 2: Convert to fraction form
    19,210.20/28,766.70 = 15,322.20/x
  3. Step 3: Cross multiply
    19,210.20x = 28,766.70 × 15,322.20
  4. Step 4: Simplify right side
    19,210.20x = 440,769,130.74
  5. Step 5: Solve for x
    x = 440,769,130.74/19,210.20
  6. Step 6: Final answer
    x = 22,944.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.