Home / 19,778.67-29,688.84-19,332.39

Finding the Fourth Proportional to 19,778.67, 29,688.84 and 19,332.39

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Solution

The fourth proportional to 19,778.67, 29,688.84 and 19,332.39 is: 29,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.67 : 29,688.84 = 19,332.39 : x
  2. Step 2: Convert to fraction form
    19,778.67/29,688.84 = 19,332.39/x
  3. Step 3: Cross multiply
    19,778.67x = 29,688.84 × 19,332.39
  4. Step 4: Simplify right side
    19,778.67x = 573,956,233.53
  5. Step 5: Solve for x
    x = 573,956,233.53/19,778.67
  6. Step 6: Final answer
    x = 29,018.95

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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.