Home / 21,606.84-32,354.16-18,506.80

Finding the Fourth Proportional to 21,606.84, 32,354.16 and 18,506.80

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Solution

The fourth proportional to 21,606.84, 32,354.16 and 18,506.80 is: 27,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.84 : 32,354.16 = 18,506.80 : x
  2. Step 2: Convert to fraction form
    21,606.84/32,354.16 = 18,506.80/x
  3. Step 3: Cross multiply
    21,606.84x = 32,354.16 × 18,506.80
  4. Step 4: Simplify right side
    21,606.84x = 598,771,968.29
  5. Step 5: Solve for x
    x = 598,771,968.29/21,606.84
  6. Step 6: Final answer
    x = 27,712.15

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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.