Home / 28,656.30-39,536.81-16,711.18

Finding the Fourth Proportional to 28,656.30, 39,536.81 and 16,711.18

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Solution

The fourth proportional to 28,656.30, 39,536.81 and 16,711.18 is: 23,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.30 : 39,536.81 = 16,711.18 : x
  2. Step 2: Convert to fraction form
    28,656.30/39,536.81 = 16,711.18/x
  3. Step 3: Cross multiply
    28,656.30x = 39,536.81 × 16,711.18
  4. Step 4: Simplify right side
    28,656.30x = 660,706,628.80
  5. Step 5: Solve for x
    x = 660,706,628.80/28,656.30
  6. Step 6: Final answer
    x = 23,056.24

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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.