Home / 28,424.91-42,637.91-9,709.23

Finding the Fourth Proportional to 28,424.91, 42,637.91 and 9,709.23

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Solution

The fourth proportional to 28,424.91, 42,637.91 and 9,709.23 is: 14,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.91 : 42,637.91 = 9,709.23 : x
  2. Step 2: Convert to fraction form
    28,424.91/42,637.91 = 9,709.23/x
  3. Step 3: Cross multiply
    28,424.91x = 42,637.91 × 9,709.23
  4. Step 4: Simplify right side
    28,424.91x = 413,981,274.91
  5. Step 5: Solve for x
    x = 413,981,274.91/28,424.91
  6. Step 6: Final answer
    x = 14,564.03

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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.