Home / 19,273.12-28,857.48-10,019.68

Finding the Fourth Proportional to 19,273.12, 28,857.48 and 10,019.68

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Solution

The fourth proportional to 19,273.12, 28,857.48 and 10,019.68 is: 15,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.12 : 28,857.48 = 10,019.68 : x
  2. Step 2: Convert to fraction form
    19,273.12/28,857.48 = 10,019.68/x
  3. Step 3: Cross multiply
    19,273.12x = 28,857.48 × 10,019.68
  4. Step 4: Simplify right side
    19,273.12x = 289,142,715.21
  5. Step 5: Solve for x
    x = 289,142,715.21/19,273.12
  6. Step 6: Final answer
    x = 15,002.38

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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.