Home / 27,306.26-37,678.57-15,368.89

Finding the Fourth Proportional to 27,306.26, 37,678.57 and 15,368.89

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Solution

The fourth proportional to 27,306.26, 37,678.57 and 15,368.89 is: 21,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.26 : 37,678.57 = 15,368.89 : x
  2. Step 2: Convert to fraction form
    27,306.26/37,678.57 = 15,368.89/x
  3. Step 3: Cross multiply
    27,306.26x = 37,678.57 × 15,368.89
  4. Step 4: Simplify right side
    27,306.26x = 579,077,797.69
  5. Step 5: Solve for x
    x = 579,077,797.69/27,306.26
  6. Step 6: Final answer
    x = 21,206.78

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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.