Home / 25,325.80-37,992.36-8,690.04

Finding the Fourth Proportional to 25,325.80, 37,992.36 and 8,690.04

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Solution

The fourth proportional to 25,325.80, 37,992.36 and 8,690.04 is: 13,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.80 : 37,992.36 = 8,690.04 : x
  2. Step 2: Convert to fraction form
    25,325.80/37,992.36 = 8,690.04/x
  3. Step 3: Cross multiply
    25,325.80x = 37,992.36 × 8,690.04
  4. Step 4: Simplify right side
    25,325.80x = 330,155,128.09
  5. Step 5: Solve for x
    x = 330,155,128.09/25,325.80
  6. Step 6: Final answer
    x = 13,036.32

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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.