Home / 26,728.80-36,886.20-14,630.34

Finding the Fourth Proportional to 26,728.80, 36,886.20 and 14,630.34

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Solution

The fourth proportional to 26,728.80, 36,886.20 and 14,630.34 is: 20,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.80 : 36,886.20 = 14,630.34 : x
  2. Step 2: Convert to fraction form
    26,728.80/36,886.20 = 14,630.34/x
  3. Step 3: Cross multiply
    26,728.80x = 36,886.20 × 14,630.34
  4. Step 4: Simplify right side
    26,728.80x = 539,657,647.31
  5. Step 5: Solve for x
    x = 539,657,647.31/26,728.80
  6. Step 6: Final answer
    x = 20,190.12

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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.