Home / 19,311.30-28,966.95-16,358.85

Finding the Fourth Proportional to 19,311.30, 28,966.95 and 16,358.85

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Solution

The fourth proportional to 19,311.30, 28,966.95 and 16,358.85 is: 24,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.30 : 28,966.95 = 16,358.85 : x
  2. Step 2: Convert to fraction form
    19,311.30/28,966.95 = 16,358.85/x
  3. Step 3: Cross multiply
    19,311.30x = 28,966.95 × 16,358.85
  4. Step 4: Simplify right side
    19,311.30x = 473,865,990.01
  5. Step 5: Solve for x
    x = 473,865,990.01/19,311.30
  6. Step 6: Final answer
    x = 24,538.28

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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.