Home / 19,239.87-28,859.62-10,359.35

Finding the Fourth Proportional to 19,239.87, 28,859.62 and 10,359.35

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Solution

The fourth proportional to 19,239.87, 28,859.62 and 10,359.35 is: 15,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.87 : 28,859.62 = 10,359.35 : x
  2. Step 2: Convert to fraction form
    19,239.87/28,859.62 = 10,359.35/x
  3. Step 3: Cross multiply
    19,239.87x = 28,859.62 × 10,359.35
  4. Step 4: Simplify right side
    19,239.87x = 298,966,904.45
  5. Step 5: Solve for x
    x = 298,966,904.45/19,239.87
  6. Step 6: Final answer
    x = 15,538.93

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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.