Home / 27,089.87-37,384.71-15,153.18

Finding the Fourth Proportional to 27,089.87, 37,384.71 and 15,153.18

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Solution

The fourth proportional to 27,089.87, 37,384.71 and 15,153.18 is: 20,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.87 : 37,384.71 = 15,153.18 : x
  2. Step 2: Convert to fraction form
    27,089.87/37,384.71 = 15,153.18/x
  3. Step 3: Cross multiply
    27,089.87x = 37,384.71 × 15,153.18
  4. Step 4: Simplify right side
    27,089.87x = 566,497,170.72
  5. Step 5: Solve for x
    x = 566,497,170.72/27,089.87
  6. Step 6: Final answer
    x = 20,911.77

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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.