Home / 27,074.32-37,364.64-15,138.16

Finding the Fourth Proportional to 27,074.32, 37,364.64 and 15,138.16

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Solution

The fourth proportional to 27,074.32, 37,364.64 and 15,138.16 is: 20,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.32 : 37,364.64 = 15,138.16 : x
  2. Step 2: Convert to fraction form
    27,074.32/37,364.64 = 15,138.16/x
  3. Step 3: Cross multiply
    27,074.32x = 37,364.64 × 15,138.16
  4. Step 4: Simplify right side
    27,074.32x = 565,631,898.66
  5. Step 5: Solve for x
    x = 565,631,898.66/27,074.32
  6. Step 6: Final answer
    x = 20,891.82

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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.