Home / 19,002.74-28,479.32-10,227.36

Finding the Fourth Proportional to 19,002.74, 28,479.32 and 10,227.36

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Solution

The fourth proportional to 19,002.74, 28,479.32 and 10,227.36 is: 15,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.74 : 28,479.32 = 10,227.36 : x
  2. Step 2: Convert to fraction form
    19,002.74/28,479.32 = 10,227.36/x
  3. Step 3: Cross multiply
    19,002.74x = 28,479.32 × 10,227.36
  4. Step 4: Simplify right side
    19,002.74x = 291,268,258.20
  5. Step 5: Solve for x
    x = 291,268,258.20/19,002.74
  6. Step 6: Final answer
    x = 15,327.70

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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.