Home / 28,034.51-42,054.19-10,269.99

Finding the Fourth Proportional to 28,034.51, 42,054.19 and 10,269.99

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Solution

The fourth proportional to 28,034.51, 42,054.19 and 10,269.99 is: 15,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.51 : 42,054.19 = 10,269.99 : x
  2. Step 2: Convert to fraction form
    28,034.51/42,054.19 = 10,269.99/x
  3. Step 3: Cross multiply
    28,034.51x = 42,054.19 × 10,269.99
  4. Step 4: Simplify right side
    28,034.51x = 431,896,085.08
  5. Step 5: Solve for x
    x = 431,896,085.08/28,034.51
  6. Step 6: Final answer
    x = 15,405.88

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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.