Home / 28,632.87-39,513.29-16,057.89

Finding the Fourth Proportional to 28,632.87, 39,513.29 and 16,057.89

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Solution

The fourth proportional to 28,632.87, 39,513.29 and 16,057.89 is: 22,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.87 : 39,513.29 = 16,057.89 : x
  2. Step 2: Convert to fraction form
    28,632.87/39,513.29 = 16,057.89/x
  3. Step 3: Cross multiply
    28,632.87x = 39,513.29 × 16,057.89
  4. Step 4: Simplify right side
    28,632.87x = 634,499,984.07
  5. Step 5: Solve for x
    x = 634,499,984.07/28,632.87
  6. Step 6: Final answer
    x = 22,159.85

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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.