Home / 25,301.85-37,975.73-12,830.55

Finding the Fourth Proportional to 25,301.85, 37,975.73 and 12,830.55

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Solution

The fourth proportional to 25,301.85, 37,975.73 and 12,830.55 is: 19,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.85 : 37,975.73 = 12,830.55 : x
  2. Step 2: Convert to fraction form
    25,301.85/37,975.73 = 12,830.55/x
  3. Step 3: Cross multiply
    25,301.85x = 37,975.73 × 12,830.55
  4. Step 4: Simplify right side
    25,301.85x = 487,249,438.40
  5. Step 5: Solve for x
    x = 487,249,438.40/25,301.85
  6. Step 6: Final answer
    x = 19,257.46

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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.