Home / 24,386.38-33,669.63-15,315.61

Finding the Fourth Proportional to 24,386.38, 33,669.63 and 15,315.61

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Solution

The fourth proportional to 24,386.38, 33,669.63 and 15,315.61 is: 21,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,386.38 : 33,669.63 = 15,315.61 : x
  2. Step 2: Convert to fraction form
    24,386.38/33,669.63 = 15,315.61/x
  3. Step 3: Cross multiply
    24,386.38x = 33,669.63 × 15,315.61
  4. Step 4: Simplify right side
    24,386.38x = 515,670,921.92
  5. Step 5: Solve for x
    x = 515,670,921.92/24,386.38
  6. Step 6: Final answer
    x = 21,145.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.