Home / 26,668.42-36,807.55-15,345.54

Finding the Fourth Proportional to 26,668.42, 36,807.55 and 15,345.54

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Solution

The fourth proportional to 26,668.42, 36,807.55 and 15,345.54 is: 21,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.42 : 36,807.55 = 15,345.54 : x
  2. Step 2: Convert to fraction form
    26,668.42/36,807.55 = 15,345.54/x
  3. Step 3: Cross multiply
    26,668.42x = 36,807.55 × 15,345.54
  4. Step 4: Simplify right side
    26,668.42x = 564,831,730.83
  5. Step 5: Solve for x
    x = 564,831,730.83/26,668.42
  6. Step 6: Final answer
    x = 21,179.80

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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.