Home / 27,119.63-40,678.23-7,398.29

Finding the Fourth Proportional to 27,119.63, 40,678.23 and 7,398.29

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Solution

The fourth proportional to 27,119.63, 40,678.23 and 7,398.29 is: 11,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.63 : 40,678.23 = 7,398.29 : x
  2. Step 2: Convert to fraction form
    27,119.63/40,678.23 = 7,398.29/x
  3. Step 3: Cross multiply
    27,119.63x = 40,678.23 × 7,398.29
  4. Step 4: Simplify right side
    27,119.63x = 300,949,342.23
  5. Step 5: Solve for x
    x = 300,949,342.23/27,119.63
  6. Step 6: Final answer
    x = 11,097.10

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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.