Home / 25,237.81-37,880.16-12,766.65

Finding the Fourth Proportional to 25,237.81, 37,880.16 and 12,766.65

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Solution

The fourth proportional to 25,237.81, 37,880.16 and 12,766.65 is: 19,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.81 : 37,880.16 = 12,766.65 : x
  2. Step 2: Convert to fraction form
    25,237.81/37,880.16 = 12,766.65/x
  3. Step 3: Cross multiply
    25,237.81x = 37,880.16 × 12,766.65
  4. Step 4: Simplify right side
    25,237.81x = 483,602,554.74
  5. Step 5: Solve for x
    x = 483,602,554.74/25,237.81
  6. Step 6: Final answer
    x = 19,161.83

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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.