Home / 21,630.90-32,433.24-10,526.40

Finding the Fourth Proportional to 21,630.90, 32,433.24 and 10,526.40

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Solution

The fourth proportional to 21,630.90, 32,433.24 and 10,526.40 is: 15,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.90 : 32,433.24 = 10,526.40 : x
  2. Step 2: Convert to fraction form
    21,630.90/32,433.24 = 10,526.40/x
  3. Step 3: Cross multiply
    21,630.90x = 32,433.24 × 10,526.40
  4. Step 4: Simplify right side
    21,630.90x = 341,405,257.54
  5. Step 5: Solve for x
    x = 341,405,257.54/21,630.90
  6. Step 6: Final answer
    x = 15,783.22

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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.