Home / 27,312.42-37,694.58-15,378.03

Finding the Fourth Proportional to 27,312.42, 37,694.58 and 15,378.03

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Solution

The fourth proportional to 27,312.42, 37,694.58 and 15,378.03 is: 21,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.42 : 37,694.58 = 15,378.03 : x
  2. Step 2: Convert to fraction form
    27,312.42/37,694.58 = 15,378.03/x
  3. Step 3: Cross multiply
    27,312.42x = 37,694.58 × 15,378.03
  4. Step 4: Simplify right side
    27,312.42x = 579,668,382.08
  5. Step 5: Solve for x
    x = 579,668,382.08/27,312.42
  6. Step 6: Final answer
    x = 21,223.62

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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.