Home / 21,519.33-32,291.51-9,038.40

Finding the Fourth Proportional to 21,519.33, 32,291.51 and 9,038.40

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Solution

The fourth proportional to 21,519.33, 32,291.51 and 9,038.40 is: 13,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.33 : 32,291.51 = 9,038.40 : x
  2. Step 2: Convert to fraction form
    21,519.33/32,291.51 = 9,038.40/x
  3. Step 3: Cross multiply
    21,519.33x = 32,291.51 × 9,038.40
  4. Step 4: Simplify right side
    21,519.33x = 291,863,538.79
  5. Step 5: Solve for x
    x = 291,863,538.79/21,519.33
  6. Step 6: Final answer
    x = 13,562.85

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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.