Home / 28,066.53-42,063.35-11,407.18

Finding the Fourth Proportional to 28,066.53, 42,063.35 and 11,407.18

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Solution

The fourth proportional to 28,066.53, 42,063.35 and 11,407.18 is: 17,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.53 : 42,063.35 = 11,407.18 : x
  2. Step 2: Convert to fraction form
    28,066.53/42,063.35 = 11,407.18/x
  3. Step 3: Cross multiply
    28,066.53x = 42,063.35 × 11,407.18
  4. Step 4: Simplify right side
    28,066.53x = 479,824,204.85
  5. Step 5: Solve for x
    x = 479,824,204.85/28,066.53
  6. Step 6: Final answer
    x = 17,095.96

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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.