Home / 21,024.48-31,537.80-5,442.24

Finding the Fourth Proportional to 21,024.48, 31,537.80 and 5,442.24

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Solution

The fourth proportional to 21,024.48, 31,537.80 and 5,442.24 is: 8,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.48 : 31,537.80 = 5,442.24 : x
  2. Step 2: Convert to fraction form
    21,024.48/31,537.80 = 5,442.24/x
  3. Step 3: Cross multiply
    21,024.48x = 31,537.80 × 5,442.24
  4. Step 4: Simplify right side
    21,024.48x = 171,636,276.67
  5. Step 5: Solve for x
    x = 171,636,276.67/21,024.48
  6. Step 6: Final answer
    x = 8,163.64

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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.