Home / 23,419.87-32,319.36-12,809.50

Finding the Fourth Proportional to 23,419.87, 32,319.36 and 12,809.50

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Solution

The fourth proportional to 23,419.87, 32,319.36 and 12,809.50 is: 17,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.87 : 32,319.36 = 12,809.50 : x
  2. Step 2: Convert to fraction form
    23,419.87/32,319.36 = 12,809.50/x
  3. Step 3: Cross multiply
    23,419.87x = 32,319.36 × 12,809.50
  4. Step 4: Simplify right side
    23,419.87x = 413,994,792.85
  5. Step 5: Solve for x
    x = 413,994,792.85/23,419.87
  6. Step 6: Final answer
    x = 17,677.08

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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.