Home / 19,349.39-29,024.09-15,478.40

Finding the Fourth Proportional to 19,349.39, 29,024.09 and 15,478.40

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Solution

The fourth proportional to 19,349.39, 29,024.09 and 15,478.40 is: 23,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.39 : 29,024.09 = 15,478.40 : x
  2. Step 2: Convert to fraction form
    19,349.39/29,024.09 = 15,478.40/x
  3. Step 3: Cross multiply
    19,349.39x = 29,024.09 × 15,478.40
  4. Step 4: Simplify right side
    19,349.39x = 449,246,474.66
  5. Step 5: Solve for x
    x = 449,246,474.66/19,349.39
  6. Step 6: Final answer
    x = 23,217.60

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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.