Home / 20,347.34-28,060.58-13,962.66

Finding the Fourth Proportional to 20,347.34, 28,060.58 and 13,962.66

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Solution

The fourth proportional to 20,347.34, 28,060.58 and 13,962.66 is: 19,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.34 : 28,060.58 = 13,962.66 : x
  2. Step 2: Convert to fraction form
    20,347.34/28,060.58 = 13,962.66/x
  3. Step 3: Cross multiply
    20,347.34x = 28,060.58 × 13,962.66
  4. Step 4: Simplify right side
    20,347.34x = 391,800,268.13
  5. Step 5: Solve for x
    x = 391,800,268.13/20,347.34
  6. Step 6: Final answer
    x = 19,255.61

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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.