Home / 27,355.06-41,032.60-21,124.18

Finding the Fourth Proportional to 27,355.06, 41,032.60 and 21,124.18

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Solution

The fourth proportional to 27,355.06, 41,032.60 and 21,124.18 is: 31,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.06 : 41,032.60 = 21,124.18 : x
  2. Step 2: Convert to fraction form
    27,355.06/41,032.60 = 21,124.18/x
  3. Step 3: Cross multiply
    27,355.06x = 41,032.60 × 21,124.18
  4. Step 4: Simplify right side
    27,355.06x = 866,779,872.88
  5. Step 5: Solve for x
    x = 866,779,872.88/27,355.06
  6. Step 6: Final answer
    x = 31,686.27

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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.