Home / 24,576.90-33,881.73-20,784.81

Finding the Fourth Proportional to 24,576.90, 33,881.73 and 20,784.81

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Solution

The fourth proportional to 24,576.90, 33,881.73 and 20,784.81 is: 28,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,576.90 : 33,881.73 = 20,784.81 : x
  2. Step 2: Convert to fraction form
    24,576.90/33,881.73 = 20,784.81/x
  3. Step 3: Cross multiply
    24,576.90x = 33,881.73 × 20,784.81
  4. Step 4: Simplify right side
    24,576.90x = 704,225,320.52
  5. Step 5: Solve for x
    x = 704,225,320.52/24,576.90
  6. Step 6: Final answer
    x = 28,653.95

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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.