Home / 25,277.16-37,938.60-12,805.80

Finding the Fourth Proportional to 25,277.16, 37,938.60 and 12,805.80

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Solution

The fourth proportional to 25,277.16, 37,938.60 and 12,805.80 is: 19,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.16 : 37,938.60 = 12,805.80 : x
  2. Step 2: Convert to fraction form
    25,277.16/37,938.60 = 12,805.80/x
  3. Step 3: Cross multiply
    25,277.16x = 37,938.60 × 12,805.80
  4. Step 4: Simplify right side
    25,277.16x = 485,834,123.88
  5. Step 5: Solve for x
    x = 485,834,123.88/25,277.16
  6. Step 6: Final answer
    x = 19,220.28

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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.