Home / 23,419.99-32,319.84-12,809.39

Finding the Fourth Proportional to 23,419.99, 32,319.84 and 12,809.39

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Solution

The fourth proportional to 23,419.99, 32,319.84 and 12,809.39 is: 17,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.99 : 32,319.84 = 12,809.39 : x
  2. Step 2: Convert to fraction form
    23,419.99/32,319.84 = 12,809.39/x
  3. Step 3: Cross multiply
    23,419.99x = 32,319.84 × 12,809.39
  4. Step 4: Simplify right side
    23,419.99x = 413,997,395.45
  5. Step 5: Solve for x
    x = 413,997,395.45/23,419.99
  6. Step 6: Final answer
    x = 17,677.10

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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.