Home / 19,412.32-29,063.76-18,790.24

Finding the Fourth Proportional to 19,412.32, 29,063.76 and 18,790.24

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Solution

The fourth proportional to 19,412.32, 29,063.76 and 18,790.24 is: 28,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.32 : 29,063.76 = 18,790.24 : x
  2. Step 2: Convert to fraction form
    19,412.32/29,063.76 = 18,790.24/x
  3. Step 3: Cross multiply
    19,412.32x = 29,063.76 × 18,790.24
  4. Step 4: Simplify right side
    19,412.32x = 546,115,025.70
  5. Step 5: Solve for x
    x = 546,115,025.70/19,412.32
  6. Step 6: Final answer
    x = 28,132.39

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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.