Home / 28,733.50-39,651.84-16,158.28

Finding the Fourth Proportional to 28,733.50, 39,651.84 and 16,158.28

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Solution

The fourth proportional to 28,733.50, 39,651.84 and 16,158.28 is: 22,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.50 : 39,651.84 = 16,158.28 : x
  2. Step 2: Convert to fraction form
    28,733.50/39,651.84 = 16,158.28/x
  3. Step 3: Cross multiply
    28,733.50x = 39,651.84 × 16,158.28
  4. Step 4: Simplify right side
    28,733.50x = 640,705,533.24
  5. Step 5: Solve for x
    x = 640,705,533.24/28,733.50
  6. Step 6: Final answer
    x = 22,298.21

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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.