Home / 25,191.23-37,778.36-12,703.28

Finding the Fourth Proportional to 25,191.23, 37,778.36 and 12,703.28

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Solution

The fourth proportional to 25,191.23, 37,778.36 and 12,703.28 is: 19,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.23 : 37,778.36 = 12,703.28 : x
  2. Step 2: Convert to fraction form
    25,191.23/37,778.36 = 12,703.28/x
  3. Step 3: Cross multiply
    25,191.23x = 37,778.36 × 12,703.28
  4. Step 4: Simplify right side
    25,191.23x = 479,908,832.61
  5. Step 5: Solve for x
    x = 479,908,832.61/25,191.23
  6. Step 6: Final answer
    x = 19,050.63

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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.