Home / 18,007.05-27,010.58-15,501.45

Finding the Fourth Proportional to 18,007.05, 27,010.58 and 15,501.45

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Solution

The fourth proportional to 18,007.05, 27,010.58 and 15,501.45 is: 23,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.05 : 27,010.58 = 15,501.45 : x
  2. Step 2: Convert to fraction form
    18,007.05/27,010.58 = 15,501.45/x
  3. Step 3: Cross multiply
    18,007.05x = 27,010.58 × 15,501.45
  4. Step 4: Simplify right side
    18,007.05x = 418,703,077.83
  5. Step 5: Solve for x
    x = 418,703,077.83/18,007.05
  6. Step 6: Final answer
    x = 23,252.18

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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.