Home / 18,289.32-27,390.24-14,352.72

Finding the Fourth Proportional to 18,289.32, 27,390.24 and 14,352.72

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Solution

The fourth proportional to 18,289.32, 27,390.24 and 14,352.72 is: 21,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.32 : 27,390.24 = 14,352.72 : x
  2. Step 2: Convert to fraction form
    18,289.32/27,390.24 = 14,352.72/x
  3. Step 3: Cross multiply
    18,289.32x = 27,390.24 × 14,352.72
  4. Step 4: Simplify right side
    18,289.32x = 393,124,445.45
  5. Step 5: Solve for x
    x = 393,124,445.45/18,289.32
  6. Step 6: Final answer
    x = 21,494.75

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1.5x scale

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.