Home / 38,926.80-58,391.10-13,968.54

Finding the Fourth Proportional to 38,926.80, 58,391.10 and 13,968.54

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Solution

The fourth proportional to 38,926.80, 58,391.10 and 13,968.54 is: 20,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926.80 : 58,391.10 = 13,968.54 : x
  2. Step 2: Convert to fraction form
    38,926.80/58,391.10 = 13,968.54/x
  3. Step 3: Cross multiply
    38,926.80x = 58,391.10 × 13,968.54
  4. Step 4: Simplify right side
    38,926.80x = 815,638,415.99
  5. Step 5: Solve for x
    x = 815,638,415.99/38,926.80
  6. Step 6: Final answer
    x = 20,953.13

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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.