Home / 28,941.66-39,938.40-16,366.68

Finding the Fourth Proportional to 28,941.66, 39,938.40 and 16,366.68

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Solution

The fourth proportional to 28,941.66, 39,938.40 and 16,366.68 is: 22,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.66 : 39,938.40 = 16,366.68 : x
  2. Step 2: Convert to fraction form
    28,941.66/39,938.40 = 16,366.68/x
  3. Step 3: Cross multiply
    28,941.66x = 39,938.40 × 16,366.68
  4. Step 4: Simplify right side
    28,941.66x = 653,659,012.51
  5. Step 5: Solve for x
    x = 653,659,012.51/28,941.66
  6. Step 6: Final answer
    x = 22,585.40

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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.