Home / 28,043.88-38,700.48-16,107.99

Finding the Fourth Proportional to 28,043.88, 38,700.48 and 16,107.99

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Solution

The fourth proportional to 28,043.88, 38,700.48 and 16,107.99 is: 22,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.88 : 38,700.48 = 16,107.99 : x
  2. Step 2: Convert to fraction form
    28,043.88/38,700.48 = 16,107.99/x
  3. Step 3: Cross multiply
    28,043.88x = 38,700.48 × 16,107.99
  4. Step 4: Simplify right side
    28,043.88x = 623,386,944.84
  5. Step 5: Solve for x
    x = 623,386,944.84/28,043.88
  6. Step 6: Final answer
    x = 22,228.98

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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.