Home / 21,772.40-32,603.21-14,354.36

Finding the Fourth Proportional to 21,772.40, 32,603.21 and 14,354.36

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Solution

The fourth proportional to 21,772.40, 32,603.21 and 14,354.36 is: 21,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772.40 : 32,603.21 = 14,354.36 : x
  2. Step 2: Convert to fraction form
    21,772.40/32,603.21 = 14,354.36/x
  3. Step 3: Cross multiply
    21,772.40x = 32,603.21 × 14,354.36
  4. Step 4: Simplify right side
    21,772.40x = 467,998,032.54
  5. Step 5: Solve for x
    x = 467,998,032.54/21,772.40
  6. Step 6: Final answer
    x = 21,495.01

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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.