Home / 38,925.17-58,380.69-13,628.39

Finding the Fourth Proportional to 38,925.17, 58,380.69 and 13,628.39

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Solution

The fourth proportional to 38,925.17, 58,380.69 and 13,628.39 is: 20,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925.17 : 58,380.69 = 13,628.39 : x
  2. Step 2: Convert to fraction form
    38,925.17/58,380.69 = 13,628.39/x
  3. Step 3: Cross multiply
    38,925.17x = 58,380.69 × 13,628.39
  4. Step 4: Simplify right side
    38,925.17x = 795,634,811.79
  5. Step 5: Solve for x
    x = 795,634,811.79/38,925.17
  6. Step 6: Final answer
    x = 20,440.11

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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.