Home / 28,476.60-42,714.90-13,682.04

Finding the Fourth Proportional to 28,476.60, 42,714.90 and 13,682.04

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Solution

The fourth proportional to 28,476.60, 42,714.90 and 13,682.04 is: 20,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.60 : 42,714.90 = 13,682.04 : x
  2. Step 2: Convert to fraction form
    28,476.60/42,714.90 = 13,682.04/x
  3. Step 3: Cross multiply
    28,476.60x = 42,714.90 × 13,682.04
  4. Step 4: Simplify right side
    28,476.60x = 584,426,970.40
  5. Step 5: Solve for x
    x = 584,426,970.40/28,476.60
  6. Step 6: Final answer
    x = 20,523.06

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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.