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Finding the Fourth Proportional to 27,475, 37,915.52 and 14,899.80

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Solution

The fourth proportional to 27,475, 37,915.52 and 14,899.80 is: 20,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475 : 37,915.52 = 14,899.80 : x
  2. Step 2: Convert to fraction form
    27,475/37,915.52 = 14,899.80/x
  3. Step 3: Cross multiply
    27,475x = 37,915.52 × 14,899.80
  4. Step 4: Simplify right side
    27,475x = 564,933,664.90
  5. Step 5: Solve for x
    x = 564,933,664.90/27,475
  6. Step 6: Final answer
    x = 20,561.73

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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.