Home / 28,017.29-42,044.16-10,486.97

Finding the Fourth Proportional to 28,017.29, 42,044.16 and 10,486.97

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Solution

The fourth proportional to 28,017.29, 42,044.16 and 10,486.97 is: 15,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.29 : 42,044.16 = 10,486.97 : x
  2. Step 2: Convert to fraction form
    28,017.29/42,044.16 = 10,486.97/x
  3. Step 3: Cross multiply
    28,017.29x = 42,044.16 × 10,486.97
  4. Step 4: Simplify right side
    28,017.29x = 440,915,831.37
  5. Step 5: Solve for x
    x = 440,915,831.37/28,017.29
  6. Step 6: Final answer
    x = 15,737.27

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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.