Home / 28,689.13-39,594.71-16,113.88

Finding the Fourth Proportional to 28,689.13, 39,594.71 and 16,113.88

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Solution

The fourth proportional to 28,689.13, 39,594.71 and 16,113.88 is: 22,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.13 : 39,594.71 = 16,113.88 : x
  2. Step 2: Convert to fraction form
    28,689.13/39,594.71 = 16,113.88/x
  3. Step 3: Cross multiply
    28,689.13x = 39,594.71 × 16,113.88
  4. Step 4: Simplify right side
    28,689.13x = 638,024,405.57
  5. Step 5: Solve for x
    x = 638,024,405.57/28,689.13
  6. Step 6: Final answer
    x = 22,239.24

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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.