Home / 28,677.71-39,582.75-16,106.51

Finding the Fourth Proportional to 28,677.71, 39,582.75 and 16,106.51

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Solution

The fourth proportional to 28,677.71, 39,582.75 and 16,106.51 is: 22,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.71 : 39,582.75 = 16,106.51 : x
  2. Step 2: Convert to fraction form
    28,677.71/39,582.75 = 16,106.51/x
  3. Step 3: Cross multiply
    28,677.71x = 39,582.75 × 16,106.51
  4. Step 4: Simplify right side
    28,677.71x = 637,539,958.70
  5. Step 5: Solve for x
    x = 637,539,958.70/28,677.71
  6. Step 6: Final answer
    x = 22,231.20

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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.