Home / 19,389.68-29,087.93-10,027.15

Finding the Fourth Proportional to 19,389.68, 29,087.93 and 10,027.15

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Solution

The fourth proportional to 19,389.68, 29,087.93 and 10,027.15 is: 15,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.68 : 29,087.93 = 10,027.15 : x
  2. Step 2: Convert to fraction form
    19,389.68/29,087.93 = 10,027.15/x
  3. Step 3: Cross multiply
    19,389.68x = 29,087.93 × 10,027.15
  4. Step 4: Simplify right side
    19,389.68x = 291,669,037.30
  5. Step 5: Solve for x
    x = 291,669,037.30/19,389.68
  6. Step 6: Final answer
    x = 15,042.49

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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.