Home / 28,285.91-39,037.65-16,187.51

Finding the Fourth Proportional to 28,285.91, 39,037.65 and 16,187.51

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Solution

The fourth proportional to 28,285.91, 39,037.65 and 16,187.51 is: 22,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.91 : 39,037.65 = 16,187.51 : x
  2. Step 2: Convert to fraction form
    28,285.91/39,037.65 = 16,187.51/x
  3. Step 3: Cross multiply
    28,285.91x = 39,037.65 × 16,187.51
  4. Step 4: Simplify right side
    28,285.91x = 631,922,349.75
  5. Step 5: Solve for x
    x = 631,922,349.75/28,285.91
  6. Step 6: Final answer
    x = 22,340.53

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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.