Home / 25,117.80-37,676.70-19,212.90

Finding the Fourth Proportional to 25,117.80, 37,676.70 and 19,212.90

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Solution

The fourth proportional to 25,117.80, 37,676.70 and 19,212.90 is: 28,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.80 : 37,676.70 = 19,212.90 : x
  2. Step 2: Convert to fraction form
    25,117.80/37,676.70 = 19,212.90/x
  3. Step 3: Cross multiply
    25,117.80x = 37,676.70 × 19,212.90
  4. Step 4: Simplify right side
    25,117.80x = 723,878,669.43
  5. Step 5: Solve for x
    x = 723,878,669.43/25,117.80
  6. Step 6: Final answer
    x = 28,819.35

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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.