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Finding the Fourth Proportional to 27,937, 38,554.14 and 15,361.48

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Solution

The fourth proportional to 27,937, 38,554.14 and 15,361.48 is: 21,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937 : 38,554.14 = 15,361.48 : x
  2. Step 2: Convert to fraction form
    27,937/38,554.14 = 15,361.48/x
  3. Step 3: Cross multiply
    27,937x = 38,554.14 × 15,361.48
  4. Step 4: Simplify right side
    27,937x = 592,248,650.53
  5. Step 5: Solve for x
    x = 592,248,650.53/27,937
  6. Step 6: Final answer
    x = 21,199.44

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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.