Home / 28,292.62-39,045.72-16,358.98

Finding the Fourth Proportional to 28,292.62, 39,045.72 and 16,358.98

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Solution

The fourth proportional to 28,292.62, 39,045.72 and 16,358.98 is: 22,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.62 : 39,045.72 = 16,358.98 : x
  2. Step 2: Convert to fraction form
    28,292.62/39,045.72 = 16,358.98/x
  3. Step 3: Cross multiply
    28,292.62x = 39,045.72 × 16,358.98
  4. Step 4: Simplify right side
    28,292.62x = 638,748,152.57
  5. Step 5: Solve for x
    x = 638,748,152.57/28,292.62
  6. Step 6: Final answer
    x = 22,576.49

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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.