Home / 21,448.26-32,128.59-11,038.14

Finding the Fourth Proportional to 21,448.26, 32,128.59 and 11,038.14

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Solution

The fourth proportional to 21,448.26, 32,128.59 and 11,038.14 is: 16,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.26 : 32,128.59 = 11,038.14 : x
  2. Step 2: Convert to fraction form
    21,448.26/32,128.59 = 11,038.14/x
  3. Step 3: Cross multiply
    21,448.26x = 32,128.59 × 11,038.14
  4. Step 4: Simplify right side
    21,448.26x = 354,639,874.42
  5. Step 5: Solve for x
    x = 354,639,874.42/21,448.26
  6. Step 6: Final answer
    x = 16,534.67

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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.