Home / 21,729.58-32,603.93-9,250.92

Finding the Fourth Proportional to 21,729.58, 32,603.93 and 9,250.92

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Solution

The fourth proportional to 21,729.58, 32,603.93 and 9,250.92 is: 13,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.58 : 32,603.93 = 9,250.92 : x
  2. Step 2: Convert to fraction form
    21,729.58/32,603.93 = 9,250.92/x
  3. Step 3: Cross multiply
    21,729.58x = 32,603.93 × 9,250.92
  4. Step 4: Simplify right side
    21,729.58x = 301,616,348.12
  5. Step 5: Solve for x
    x = 301,616,348.12/21,729.58
  6. Step 6: Final answer
    x = 13,880.45

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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.