Home / 21,608.08-32,347.32-15,370

Finding the Fourth Proportional to 21,608.08, 32,347.32 and 15,370

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Solution

The fourth proportional to 21,608.08, 32,347.32 and 15,370 is: 23,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.08 : 32,347.32 = 15,370 : x
  2. Step 2: Convert to fraction form
    21,608.08/32,347.32 = 15,370/x
  3. Step 3: Cross multiply
    21,608.08x = 32,347.32 × 15,370
  4. Step 4: Simplify right side
    21,608.08x = 497,178,308.40
  5. Step 5: Solve for x
    x = 497,178,308.40/21,608.08
  6. Step 6: Final answer
    x = 23,008.91

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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.