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Finding the Fourth Proportional to 27,297, 37,668.95 and 15,359.63

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Solution

The fourth proportional to 27,297, 37,668.95 and 15,359.63 is: 21,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297 : 37,668.95 = 15,359.63 : x
  2. Step 2: Convert to fraction form
    27,297/37,668.95 = 15,359.63/x
  3. Step 3: Cross multiply
    27,297x = 37,668.95 × 15,359.63
  4. Step 4: Simplify right side
    27,297x = 578,580,926.94
  5. Step 5: Solve for x
    x = 578,580,926.94/27,297
  6. Step 6: Final answer
    x = 21,195.77

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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.