Home / 38,928.96-58,366.80-13,968.45

Finding the Fourth Proportional to 38,928.96, 58,366.80 and 13,968.45

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Solution

The fourth proportional to 38,928.96, 58,366.80 and 13,968.45 is: 20,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.96 : 58,366.80 = 13,968.45 : x
  2. Step 2: Convert to fraction form
    38,928.96/58,366.80 = 13,968.45/x
  3. Step 3: Cross multiply
    38,928.96x = 58,366.80 × 13,968.45
  4. Step 4: Simplify right side
    38,928.96x = 815,293,727.46
  5. Step 5: Solve for x
    x = 815,293,727.46/38,928.96
  6. Step 6: Final answer
    x = 20,943.12

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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.