Home / 27,387.78-37,795.10-14,812.52

Finding the Fourth Proportional to 27,387.78, 37,795.10 and 14,812.52

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Solution

The fourth proportional to 27,387.78, 37,795.10 and 14,812.52 is: 20,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.78 : 37,795.10 = 14,812.52 : x
  2. Step 2: Convert to fraction form
    27,387.78/37,795.10 = 14,812.52/x
  3. Step 3: Cross multiply
    27,387.78x = 37,795.10 × 14,812.52
  4. Step 4: Simplify right side
    27,387.78x = 559,840,674.65
  5. Step 5: Solve for x
    x = 559,840,674.65/27,387.78
  6. Step 6: Final answer
    x = 20,441.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.