Home / 25,639.58-38,476.53-8,999.69

Finding the Fourth Proportional to 25,639.58, 38,476.53 and 8,999.69

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Solution

The fourth proportional to 25,639.58, 38,476.53 and 8,999.69 is: 13,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.58 : 38,476.53 = 8,999.69 : x
  2. Step 2: Convert to fraction form
    25,639.58/38,476.53 = 8,999.69/x
  3. Step 3: Cross multiply
    25,639.58x = 38,476.53 × 8,999.69
  4. Step 4: Simplify right side
    25,639.58x = 346,276,842.28
  5. Step 5: Solve for x
    x = 346,276,842.28/25,639.58
  6. Step 6: Final answer
    x = 13,505.56

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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.