Home / 21,573.75-32,313.88-10,457.18

Finding the Fourth Proportional to 21,573.75, 32,313.88 and 10,457.18

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Solution

The fourth proportional to 21,573.75, 32,313.88 and 10,457.18 is: 15,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.75 : 32,313.88 = 10,457.18 : x
  2. Step 2: Convert to fraction form
    21,573.75/32,313.88 = 10,457.18/x
  3. Step 3: Cross multiply
    21,573.75x = 32,313.88 × 10,457.18
  4. Step 4: Simplify right side
    21,573.75x = 337,912,059.66
  5. Step 5: Solve for x
    x = 337,912,059.66/21,573.75
  6. Step 6: Final answer
    x = 15,663.11

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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.