Home / 25,055.57-37,586.82-8,420.36

Finding the Fourth Proportional to 25,055.57, 37,586.82 and 8,420.36

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Solution

The fourth proportional to 25,055.57, 37,586.82 and 8,420.36 is: 12,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.57 : 37,586.82 = 8,420.36 : x
  2. Step 2: Convert to fraction form
    25,055.57/37,586.82 = 8,420.36/x
  3. Step 3: Cross multiply
    25,055.57x = 37,586.82 × 8,420.36
  4. Step 4: Simplify right side
    25,055.57x = 316,494,555.66
  5. Step 5: Solve for x
    x = 316,494,555.66/25,055.57
  6. Step 6: Final answer
    x = 12,631.70

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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.