Home / 21,095.84-31,644.12-17,383.52

Finding the Fourth Proportional to 21,095.84, 31,644.12 and 17,383.52

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Solution

The fourth proportional to 21,095.84, 31,644.12 and 17,383.52 is: 26,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.84 : 31,644.12 = 17,383.52 : x
  2. Step 2: Convert to fraction form
    21,095.84/31,644.12 = 17,383.52/x
  3. Step 3: Cross multiply
    21,095.84x = 31,644.12 × 17,383.52
  4. Step 4: Simplify right side
    21,095.84x = 550,086,192.90
  5. Step 5: Solve for x
    x = 550,086,192.90/21,095.84
  6. Step 6: Final answer
    x = 26,075.58

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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.