Home / 25,317.20-37,975.80-16,860.80

Finding the Fourth Proportional to 25,317.20, 37,975.80 and 16,860.80

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Solution

The fourth proportional to 25,317.20, 37,975.80 and 16,860.80 is: 25,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.20 : 37,975.80 = 16,860.80 : x
  2. Step 2: Convert to fraction form
    25,317.20/37,975.80 = 16,860.80/x
  3. Step 3: Cross multiply
    25,317.20x = 37,975.80 × 16,860.80
  4. Step 4: Simplify right side
    25,317.20x = 640,302,368.64
  5. Step 5: Solve for x
    x = 640,302,368.64/25,317.20
  6. Step 6: Final answer
    x = 25,291.20

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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.