Home / 28,639.04-39,519.22-16,061.36

Finding the Fourth Proportional to 28,639.04, 39,519.22 and 16,061.36

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Solution

The fourth proportional to 28,639.04, 39,519.22 and 16,061.36 is: 22,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639.04 : 39,519.22 = 16,061.36 : x
  2. Step 2: Convert to fraction form
    28,639.04/39,519.22 = 16,061.36/x
  3. Step 3: Cross multiply
    28,639.04x = 39,519.22 × 16,061.36
  4. Step 4: Simplify right side
    28,639.04x = 634,732,419.34
  5. Step 5: Solve for x
    x = 634,732,419.34/28,639.04
  6. Step 6: Final answer
    x = 22,163.19

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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.