Home / 28,708.67-39,606.64-16,606.94

Finding the Fourth Proportional to 28,708.67, 39,606.64 and 16,606.94

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Solution

The fourth proportional to 28,708.67, 39,606.64 and 16,606.94 is: 22,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.67 : 39,606.64 = 16,606.94 : x
  2. Step 2: Convert to fraction form
    28,708.67/39,606.64 = 16,606.94/x
  3. Step 3: Cross multiply
    28,708.67x = 39,606.64 × 16,606.94
  4. Step 4: Simplify right side
    28,708.67x = 657,744,854.53
  5. Step 5: Solve for x
    x = 657,744,854.53/28,708.67
  6. Step 6: Final answer
    x = 22,911.02

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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.