Home / 21,769.68-32,637.60-6,970.08

Finding the Fourth Proportional to 21,769.68, 32,637.60 and 6,970.08

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Solution

The fourth proportional to 21,769.68, 32,637.60 and 6,970.08 is: 10,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.68 : 32,637.60 = 6,970.08 : x
  2. Step 2: Convert to fraction form
    21,769.68/32,637.60 = 6,970.08/x
  3. Step 3: Cross multiply
    21,769.68x = 32,637.60 × 6,970.08
  4. Step 4: Simplify right side
    21,769.68x = 227,486,683.01
  5. Step 5: Solve for x
    x = 227,486,683.01/21,769.68
  6. Step 6: Final answer
    x = 10,449.70

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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.