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Finding the Fourth Proportional to 38,855, 58,292.74 and 13,897.52

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Solution

The fourth proportional to 38,855, 58,292.74 and 13,897.52 is: 20,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855 : 58,292.74 = 13,897.52 : x
  2. Step 2: Convert to fraction form
    38,855/58,292.74 = 13,897.52/x
  3. Step 3: Cross multiply
    38,855x = 58,292.74 × 13,897.52
  4. Step 4: Simplify right side
    38,855x = 810,124,520.00
  5. Step 5: Solve for x
    x = 810,124,520.00/38,855
  6. Step 6: Final answer
    x = 20,849.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.