Home / 22,478.70-31,027.73-13,975.80

Finding the Fourth Proportional to 22,478.70, 31,027.73 and 13,975.80

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Solution

The fourth proportional to 22,478.70, 31,027.73 and 13,975.80 is: 19,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.70 : 31,027.73 = 13,975.80 : x
  2. Step 2: Convert to fraction form
    22,478.70/31,027.73 = 13,975.80/x
  3. Step 3: Cross multiply
    22,478.70x = 31,027.73 × 13,975.80
  4. Step 4: Simplify right side
    22,478.70x = 433,637,348.93
  5. Step 5: Solve for x
    x = 433,637,348.93/22,478.70
  6. Step 6: Final answer
    x = 19,291.03

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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.