Home / 21,524.48-32,294.88-10,430.36

Finding the Fourth Proportional to 21,524.48, 32,294.88 and 10,430.36

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Solution

The fourth proportional to 21,524.48, 32,294.88 and 10,430.36 is: 15,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.48 : 32,294.88 = 10,430.36 : x
  2. Step 2: Convert to fraction form
    21,524.48/32,294.88 = 10,430.36/x
  3. Step 3: Cross multiply
    21,524.48x = 32,294.88 × 10,430.36
  4. Step 4: Simplify right side
    21,524.48x = 336,847,224.56
  5. Step 5: Solve for x
    x = 336,847,224.56/21,524.48
  6. Step 6: Final answer
    x = 15,649.49

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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.