Home / 21,432.08-32,259.89-19,394.52

Finding the Fourth Proportional to 21,432.08, 32,259.89 and 19,394.52

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Solution

The fourth proportional to 21,432.08, 32,259.89 and 19,394.52 is: 29,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.08 : 32,259.89 = 19,394.52 : x
  2. Step 2: Convert to fraction form
    21,432.08/32,259.89 = 19,394.52/x
  3. Step 3: Cross multiply
    21,432.08x = 32,259.89 × 19,394.52
  4. Step 4: Simplify right side
    21,432.08x = 625,664,984.83
  5. Step 5: Solve for x
    x = 625,664,984.83/21,432.08
  6. Step 6: Final answer
    x = 29,192.93

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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.