Home / 19,522.08-29,278.26-7,828.92

Finding the Fourth Proportional to 19,522.08, 29,278.26 and 7,828.92

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Solution

The fourth proportional to 19,522.08, 29,278.26 and 7,828.92 is: 11,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.08 : 29,278.26 = 7,828.92 : x
  2. Step 2: Convert to fraction form
    19,522.08/29,278.26 = 7,828.92/x
  3. Step 3: Cross multiply
    19,522.08x = 29,278.26 × 7,828.92
  4. Step 4: Simplify right side
    19,522.08x = 229,217,155.28
  5. Step 5: Solve for x
    x = 229,217,155.28/19,522.08
  6. Step 6: Final answer
    x = 11,741.43

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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.