Home / 26,541.78-39,784.74-13,366.47

Finding the Fourth Proportional to 26,541.78, 39,784.74 and 13,366.47

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Solution

The fourth proportional to 26,541.78, 39,784.74 and 13,366.47 is: 20,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.78 : 39,784.74 = 13,366.47 : x
  2. Step 2: Convert to fraction form
    26,541.78/39,784.74 = 13,366.47/x
  3. Step 3: Cross multiply
    26,541.78x = 39,784.74 × 13,366.47
  4. Step 4: Simplify right side
    26,541.78x = 531,781,533.67
  5. Step 5: Solve for x
    x = 531,781,533.67/26,541.78
  6. Step 6: Final answer
    x = 20,035.64

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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.