Home / 21,570.84-32,204.34-18,451.98

Finding the Fourth Proportional to 21,570.84, 32,204.34 and 18,451.98

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Solution

The fourth proportional to 21,570.84, 32,204.34 and 18,451.98 is: 27,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.84 : 32,204.34 = 18,451.98 : x
  2. Step 2: Convert to fraction form
    21,570.84/32,204.34 = 18,451.98/x
  3. Step 3: Cross multiply
    21,570.84x = 32,204.34 × 18,451.98
  4. Step 4: Simplify right side
    21,570.84x = 594,233,837.59
  5. Step 5: Solve for x
    x = 594,233,837.59/21,570.84
  6. Step 6: Final answer
    x = 27,548.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.