Home / 21,398.51-32,096.88-5,603.28

Finding the Fourth Proportional to 21,398.51, 32,096.88 and 5,603.28

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Solution

The fourth proportional to 21,398.51, 32,096.88 and 5,603.28 is: 8,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.51 : 32,096.88 = 5,603.28 : x
  2. Step 2: Convert to fraction form
    21,398.51/32,096.88 = 5,603.28/x
  3. Step 3: Cross multiply
    21,398.51x = 32,096.88 × 5,603.28
  4. Step 4: Simplify right side
    21,398.51x = 179,847,805.77
  5. Step 5: Solve for x
    x = 179,847,805.77/21,398.51
  6. Step 6: Final answer
    x = 8,404.69

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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.