Home / 27,399.60-37,812.69-15,463.98

Finding the Fourth Proportional to 27,399.60, 37,812.69 and 15,463.98

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Solution

The fourth proportional to 27,399.60, 37,812.69 and 15,463.98 is: 21,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.60 : 37,812.69 = 15,463.98 : x
  2. Step 2: Convert to fraction form
    27,399.60/37,812.69 = 15,463.98/x
  3. Step 3: Cross multiply
    27,399.60x = 37,812.69 × 15,463.98
  4. Step 4: Simplify right side
    27,399.60x = 584,734,681.91
  5. Step 5: Solve for x
    x = 584,734,681.91/27,399.60
  6. Step 6: Final answer
    x = 21,340.99

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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.