Home / 19,129.82-28,668.28-10,700.76

Finding the Fourth Proportional to 19,129.82, 28,668.28 and 10,700.76

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Solution

The fourth proportional to 19,129.82, 28,668.28 and 10,700.76 is: 16,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.82 : 28,668.28 = 10,700.76 : x
  2. Step 2: Convert to fraction form
    19,129.82/28,668.28 = 10,700.76/x
  3. Step 3: Cross multiply
    19,129.82x = 28,668.28 × 10,700.76
  4. Step 4: Simplify right side
    19,129.82x = 306,772,383.89
  5. Step 5: Solve for x
    x = 306,772,383.89/19,129.82
  6. Step 6: Final answer
    x = 16,036.34

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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.