Home / 28,051.84-42,071.58-11,407.48

Finding the Fourth Proportional to 28,051.84, 42,071.58 and 11,407.48

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Solution

The fourth proportional to 28,051.84, 42,071.58 and 11,407.48 is: 17,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.84 : 42,071.58 = 11,407.48 : x
  2. Step 2: Convert to fraction form
    28,051.84/42,071.58 = 11,407.48/x
  3. Step 3: Cross multiply
    28,051.84x = 42,071.58 × 11,407.48
  4. Step 4: Simplify right side
    28,051.84x = 479,930,707.42
  5. Step 5: Solve for x
    x = 479,930,707.42/28,051.84
  6. Step 6: Final answer
    x = 17,108.71

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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.