Home / 19,095.65-28,643.37-10,385.92

Finding the Fourth Proportional to 19,095.65, 28,643.37 and 10,385.92

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Solution

The fourth proportional to 19,095.65, 28,643.37 and 10,385.92 is: 15,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.65 : 28,643.37 = 10,385.92 : x
  2. Step 2: Convert to fraction form
    19,095.65/28,643.37 = 10,385.92/x
  3. Step 3: Cross multiply
    19,095.65x = 28,643.37 × 10,385.92
  4. Step 4: Simplify right side
    19,095.65x = 297,487,804.63
  5. Step 5: Solve for x
    x = 297,487,804.63/19,095.65
  6. Step 6: Final answer
    x = 15,578.83

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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.