Home / 20,526.98-28,327.22-11,095.55

Finding the Fourth Proportional to 20,526.98, 28,327.22 and 11,095.55

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Solution

The fourth proportional to 20,526.98, 28,327.22 and 11,095.55 is: 15,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.98 : 28,327.22 = 11,095.55 : x
  2. Step 2: Convert to fraction form
    20,526.98/28,327.22 = 11,095.55/x
  3. Step 3: Cross multiply
    20,526.98x = 28,327.22 × 11,095.55
  4. Step 4: Simplify right side
    20,526.98x = 314,305,888.76
  5. Step 5: Solve for x
    x = 314,305,888.76/20,526.98
  6. Step 6: Final answer
    x = 15,311.84

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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.