Home / 21,972.47-32,885.80-17,559.59

Finding the Fourth Proportional to 21,972.47, 32,885.80 and 17,559.59

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Solution

The fourth proportional to 21,972.47, 32,885.80 and 17,559.59 is: 26,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.47 : 32,885.80 = 17,559.59 : x
  2. Step 2: Convert to fraction form
    21,972.47/32,885.80 = 17,559.59/x
  3. Step 3: Cross multiply
    21,972.47x = 32,885.80 × 17,559.59
  4. Step 4: Simplify right side
    21,972.47x = 577,460,956.49
  5. Step 5: Solve for x
    x = 577,460,956.49/21,972.47
  6. Step 6: Final answer
    x = 26,281.12

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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.