Home / 28,192.71-42,350.09-18,326.91

Finding the Fourth Proportional to 28,192.71, 42,350.09 and 18,326.91

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Solution

The fourth proportional to 28,192.71, 42,350.09 and 18,326.91 is: 27,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.71 : 42,350.09 = 18,326.91 : x
  2. Step 2: Convert to fraction form
    28,192.71/42,350.09 = 18,326.91/x
  3. Step 3: Cross multiply
    28,192.71x = 42,350.09 × 18,326.91
  4. Step 4: Simplify right side
    28,192.71x = 776,146,196.29
  5. Step 5: Solve for x
    x = 776,146,196.29/28,192.71
  6. Step 6: Final answer
    x = 27,530.03

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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.