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Finding the Fourth Proportional to 27,480, 37,922.40 and 14,904.84

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Solution

The fourth proportional to 27,480, 37,922.40 and 14,904.84 is: 20,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480 : 37,922.40 = 14,904.84 : x
  2. Step 2: Convert to fraction form
    27,480/37,922.40 = 14,904.84/x
  3. Step 3: Cross multiply
    27,480x = 37,922.40 × 14,904.84
  4. Step 4: Simplify right side
    27,480x = 565,227,304.42
  5. Step 5: Solve for x
    x = 565,227,304.42/27,480
  6. Step 6: Final answer
    x = 20,568.68

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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.