Home / 28,029.74-42,061.14-11,388.51

Finding the Fourth Proportional to 28,029.74, 42,061.14 and 11,388.51

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Solution

The fourth proportional to 28,029.74, 42,061.14 and 11,388.51 is: 17,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.74 : 42,061.14 = 11,388.51 : x
  2. Step 2: Convert to fraction form
    28,029.74/42,061.14 = 11,388.51/x
  3. Step 3: Cross multiply
    28,029.74x = 42,061.14 × 11,388.51
  4. Step 4: Simplify right side
    28,029.74x = 479,013,713.50
  5. Step 5: Solve for x
    x = 479,013,713.50/28,029.74
  6. Step 6: Final answer
    x = 17,089.48

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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.