Home / 28,714.94-39,630.17-17,384.87

Finding the Fourth Proportional to 28,714.94, 39,630.17 and 17,384.87

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Solution

The fourth proportional to 28,714.94, 39,630.17 and 17,384.87 is: 23,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.94 : 39,630.17 = 17,384.87 : x
  2. Step 2: Convert to fraction form
    28,714.94/39,630.17 = 17,384.87/x
  3. Step 3: Cross multiply
    28,714.94x = 39,630.17 × 17,384.87
  4. Step 4: Simplify right side
    28,714.94x = 688,965,068.45
  5. Step 5: Solve for x
    x = 688,965,068.45/28,714.94
  6. Step 6: Final answer
    x = 23,993.26

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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.