Home / 21,328.79-32,010.62-15,094.86

Finding the Fourth Proportional to 21,328.79, 32,010.62 and 15,094.86

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Solution

The fourth proportional to 21,328.79, 32,010.62 and 15,094.86 is: 22,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328.79 : 32,010.62 = 15,094.86 : x
  2. Step 2: Convert to fraction form
    21,328.79/32,010.62 = 15,094.86/x
  3. Step 3: Cross multiply
    21,328.79x = 32,010.62 × 15,094.86
  4. Step 4: Simplify right side
    21,328.79x = 483,195,674.35
  5. Step 5: Solve for x
    x = 483,195,674.35/21,328.79
  6. Step 6: Final answer
    x = 22,654.62

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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.