Home / 28,483.68-39,309.12-16,550.76

Finding the Fourth Proportional to 28,483.68, 39,309.12 and 16,550.76

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Solution

The fourth proportional to 28,483.68, 39,309.12 and 16,550.76 is: 22,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.68 : 39,309.12 = 16,550.76 : x
  2. Step 2: Convert to fraction form
    28,483.68/39,309.12 = 16,550.76/x
  3. Step 3: Cross multiply
    28,483.68x = 39,309.12 × 16,550.76
  4. Step 4: Simplify right side
    28,483.68x = 650,595,810.93
  5. Step 5: Solve for x
    x = 650,595,810.93/28,483.68
  6. Step 6: Final answer
    x = 22,841.00

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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.