Home / 21,415.41-29,524.96-17,572.98

Finding the Fourth Proportional to 21,415.41, 29,524.96 and 17,572.98

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Solution

The fourth proportional to 21,415.41, 29,524.96 and 17,572.98 is: 24,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415.41 : 29,524.96 = 17,572.98 : x
  2. Step 2: Convert to fraction form
    21,415.41/29,524.96 = 17,572.98/x
  3. Step 3: Cross multiply
    21,415.41x = 29,524.96 × 17,572.98
  4. Step 4: Simplify right side
    21,415.41x = 518,841,343.98
  5. Step 5: Solve for x
    x = 518,841,343.98/21,415.41
  6. Step 6: Final answer
    x = 24,227.47

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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.