Home / 26,405.60-36,442.79-15,076.71

Finding the Fourth Proportional to 26,405.60, 36,442.79 and 15,076.71

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Solution

The fourth proportional to 26,405.60, 36,442.79 and 15,076.71 is: 20,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.60 : 36,442.79 = 15,076.71 : x
  2. Step 2: Convert to fraction form
    26,405.60/36,442.79 = 15,076.71/x
  3. Step 3: Cross multiply
    26,405.60x = 36,442.79 × 15,076.71
  4. Step 4: Simplify right side
    26,405.60x = 549,437,301.04
  5. Step 5: Solve for x
    x = 549,437,301.04/26,405.60
  6. Step 6: Final answer
    x = 20,807.61

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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.