Home / 28,803.38-39,748.96-16,057.68

Finding the Fourth Proportional to 28,803.38, 39,748.96 and 16,057.68

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Solution

The fourth proportional to 28,803.38, 39,748.96 and 16,057.68 is: 22,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.38 : 39,748.96 = 16,057.68 : x
  2. Step 2: Convert to fraction form
    28,803.38/39,748.96 = 16,057.68/x
  3. Step 3: Cross multiply
    28,803.38x = 39,748.96 × 16,057.68
  4. Step 4: Simplify right side
    28,803.38x = 638,276,080.01
  5. Step 5: Solve for x
    x = 638,276,080.01/28,803.38
  6. Step 6: Final answer
    x = 22,159.76

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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.