Home / 28,261.17-42,405.53-11,626.20

Finding the Fourth Proportional to 28,261.17, 42,405.53 and 11,626.20

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Solution

The fourth proportional to 28,261.17, 42,405.53 and 11,626.20 is: 17,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.17 : 42,405.53 = 11,626.20 : x
  2. Step 2: Convert to fraction form
    28,261.17/42,405.53 = 11,626.20/x
  3. Step 3: Cross multiply
    28,261.17x = 42,405.53 × 11,626.20
  4. Step 4: Simplify right side
    28,261.17x = 493,015,114.76
  5. Step 5: Solve for x
    x = 493,015,114.76/28,261.17
  6. Step 6: Final answer
    x = 17,444.96

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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.