Home / 27,085.50-37,378.71-15,150.87

Finding the Fourth Proportional to 27,085.50, 37,378.71 and 15,150.87

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Solution

The fourth proportional to 27,085.50, 37,378.71 and 15,150.87 is: 20,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.50 : 37,378.71 = 15,150.87 : x
  2. Step 2: Convert to fraction form
    27,085.50/37,378.71 = 15,150.87/x
  3. Step 3: Cross multiply
    27,085.50x = 37,378.71 × 15,150.87
  4. Step 4: Simplify right side
    27,085.50x = 566,319,975.98
  5. Step 5: Solve for x
    x = 566,319,975.98/27,085.50
  6. Step 6: Final answer
    x = 20,908.60

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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.