Home / 25,485.75-38,228.65-9,687.07

Finding the Fourth Proportional to 25,485.75, 38,228.65 and 9,687.07

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Solution

The fourth proportional to 25,485.75, 38,228.65 and 9,687.07 is: 14,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.75 : 38,228.65 = 9,687.07 : x
  2. Step 2: Convert to fraction form
    25,485.75/38,228.65 = 9,687.07/x
  3. Step 3: Cross multiply
    25,485.75x = 38,228.65 × 9,687.07
  4. Step 4: Simplify right side
    25,485.75x = 370,323,368.98
  5. Step 5: Solve for x
    x = 370,323,368.98/25,485.75
  6. Step 6: Final answer
    x = 14,530.61

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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.