Home / 21,347.04-32,162.88-19,269.39

Finding the Fourth Proportional to 21,347.04, 32,162.88 and 19,269.39

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Solution

The fourth proportional to 21,347.04, 32,162.88 and 19,269.39 is: 29,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.04 : 32,162.88 = 19,269.39 : x
  2. Step 2: Convert to fraction form
    21,347.04/32,162.88 = 19,269.39/x
  3. Step 3: Cross multiply
    21,347.04x = 32,162.88 × 19,269.39
  4. Step 4: Simplify right side
    21,347.04x = 619,759,078.24
  5. Step 5: Solve for x
    x = 619,759,078.24/21,347.04
  6. Step 6: Final answer
    x = 29,032.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.