Home / 28,689.66-43,045.47-16,223.76

Finding the Fourth Proportional to 28,689.66, 43,045.47 and 16,223.76

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Solution

The fourth proportional to 28,689.66, 43,045.47 and 16,223.76 is: 24,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.66 : 43,045.47 = 16,223.76 : x
  2. Step 2: Convert to fraction form
    28,689.66/43,045.47 = 16,223.76/x
  3. Step 3: Cross multiply
    28,689.66x = 43,045.47 × 16,223.76
  4. Step 4: Simplify right side
    28,689.66x = 698,359,374.37
  5. Step 5: Solve for x
    x = 698,359,374.37/28,689.66
  6. Step 6: Final answer
    x = 24,341.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.