Home / 25,145.64-37,728.18-7,615.62

Finding the Fourth Proportional to 25,145.64, 37,728.18 and 7,615.62

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Solution

The fourth proportional to 25,145.64, 37,728.18 and 7,615.62 is: 11,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.64 : 37,728.18 = 7,615.62 : x
  2. Step 2: Convert to fraction form
    25,145.64/37,728.18 = 7,615.62/x
  3. Step 3: Cross multiply
    25,145.64x = 37,728.18 × 7,615.62
  4. Step 4: Simplify right side
    25,145.64x = 287,323,482.17
  5. Step 5: Solve for x
    x = 287,323,482.17/25,145.64
  6. Step 6: Final answer
    x = 11,426.37

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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.