Home / 28,655.84-39,545.04-16,716.87

Finding the Fourth Proportional to 28,655.84, 39,545.04 and 16,716.87

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Solution

The fourth proportional to 28,655.84, 39,545.04 and 16,716.87 is: 23,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.84 : 39,545.04 = 16,716.87 : x
  2. Step 2: Convert to fraction form
    28,655.84/39,545.04 = 16,716.87/x
  3. Step 3: Cross multiply
    28,655.84x = 39,545.04 × 16,716.87
  4. Step 4: Simplify right side
    28,655.84x = 661,069,355.51
  5. Step 5: Solve for x
    x = 661,069,355.51/28,655.84
  6. Step 6: Final answer
    x = 23,069.27

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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.