Home / 21,853.02-32,706.62-15,824.20

Finding the Fourth Proportional to 21,853.02, 32,706.62 and 15,824.20

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Solution

The fourth proportional to 21,853.02, 32,706.62 and 15,824.20 is: 23,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.02 : 32,706.62 = 15,824.20 : x
  2. Step 2: Convert to fraction form
    21,853.02/32,706.62 = 15,824.20/x
  3. Step 3: Cross multiply
    21,853.02x = 32,706.62 × 15,824.20
  4. Step 4: Simplify right side
    21,853.02x = 517,556,096.20
  5. Step 5: Solve for x
    x = 517,556,096.20/21,853.02
  6. Step 6: Final answer
    x = 23,683.50

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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.