Home / 21,500.84-29,598.34-18,499.24

Finding the Fourth Proportional to 21,500.84, 29,598.34 and 18,499.24

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Solution

The fourth proportional to 21,500.84, 29,598.34 and 18,499.24 is: 25,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.84 : 29,598.34 = 18,499.24 : x
  2. Step 2: Convert to fraction form
    21,500.84/29,598.34 = 18,499.24/x
  3. Step 3: Cross multiply
    21,500.84x = 29,598.34 × 18,499.24
  4. Step 4: Simplify right side
    21,500.84x = 547,546,795.26
  5. Step 5: Solve for x
    x = 547,546,795.26/21,500.84
  6. Step 6: Final answer
    x = 25,466.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.