Home / 19,823.40-29,685.78-16,551

Finding the Fourth Proportional to 19,823.40, 29,685.78 and 16,551

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Solution

The fourth proportional to 19,823.40, 29,685.78 and 16,551 is: 24,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.40 : 29,685.78 = 16,551 : x
  2. Step 2: Convert to fraction form
    19,823.40/29,685.78 = 16,551/x
  3. Step 3: Cross multiply
    19,823.40x = 29,685.78 × 16,551
  4. Step 4: Simplify right side
    19,823.40x = 491,329,344.78
  5. Step 5: Solve for x
    x = 491,329,344.78/19,823.40
  6. Step 6: Final answer
    x = 24,785.32

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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.