Home / 28,411.84-39,207.27-16,475.68

Finding the Fourth Proportional to 28,411.84, 39,207.27 and 16,475.68

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Solution

The fourth proportional to 28,411.84, 39,207.27 and 16,475.68 is: 22,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.84 : 39,207.27 = 16,475.68 : x
  2. Step 2: Convert to fraction form
    28,411.84/39,207.27 = 16,475.68/x
  3. Step 3: Cross multiply
    28,411.84x = 39,207.27 × 16,475.68
  4. Step 4: Simplify right side
    28,411.84x = 645,966,434.19
  5. Step 5: Solve for x
    x = 645,966,434.19/28,411.84
  6. Step 6: Final answer
    x = 22,735.82

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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.