Home / 22,475.53-31,029.65-19,984.69

Finding the Fourth Proportional to 22,475.53, 31,029.65 and 19,984.69

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Solution

The fourth proportional to 22,475.53, 31,029.65 and 19,984.69 is: 27,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.53 : 31,029.65 = 19,984.69 : x
  2. Step 2: Convert to fraction form
    22,475.53/31,029.65 = 19,984.69/x
  3. Step 3: Cross multiply
    22,475.53x = 31,029.65 × 19,984.69
  4. Step 4: Simplify right side
    22,475.53x = 620,117,936.06
  5. Step 5: Solve for x
    x = 620,117,936.06/22,475.53
  6. Step 6: Final answer
    x = 27,590.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.