Home / 28,913.70-39,898.98-16,337.64

Finding the Fourth Proportional to 28,913.70, 39,898.98 and 16,337.64

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Solution

The fourth proportional to 28,913.70, 39,898.98 and 16,337.64 is: 22,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.70 : 39,898.98 = 16,337.64 : x
  2. Step 2: Convert to fraction form
    28,913.70/39,898.98 = 16,337.64/x
  3. Step 3: Cross multiply
    28,913.70x = 39,898.98 × 16,337.64
  4. Step 4: Simplify right side
    28,913.70x = 651,855,171.61
  5. Step 5: Solve for x
    x = 651,855,171.61/28,913.70
  6. Step 6: Final answer
    x = 22,544.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.