Home / 21,346.90-32,003.77-13,834.59

Finding the Fourth Proportional to 21,346.90, 32,003.77 and 13,834.59

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Solution

The fourth proportional to 21,346.90, 32,003.77 and 13,834.59 is: 20,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.90 : 32,003.77 = 13,834.59 : x
  2. Step 2: Convert to fraction form
    21,346.90/32,003.77 = 13,834.59/x
  3. Step 3: Cross multiply
    21,346.90x = 32,003.77 × 13,834.59
  4. Step 4: Simplify right side
    21,346.90x = 442,759,036.40
  5. Step 5: Solve for x
    x = 442,759,036.40/21,346.90
  6. Step 6: Final answer
    x = 20,741.14

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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.