Home / 19,895.40-29,799.90-16,439.40

Finding the Fourth Proportional to 19,895.40, 29,799.90 and 16,439.40

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Solution

The fourth proportional to 19,895.40, 29,799.90 and 16,439.40 is: 24,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.40 : 29,799.90 = 16,439.40 : x
  2. Step 2: Convert to fraction form
    19,895.40/29,799.90 = 16,439.40/x
  3. Step 3: Cross multiply
    19,895.40x = 29,799.90 × 16,439.40
  4. Step 4: Simplify right side
    19,895.40x = 489,892,476.06
  5. Step 5: Solve for x
    x = 489,892,476.06/19,895.40
  6. Step 6: Final answer
    x = 24,623.40

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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.