Home / 25,145.40-37,674.90-13,281.60

Finding the Fourth Proportional to 25,145.40, 37,674.90 and 13,281.60

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Solution

The fourth proportional to 25,145.40, 37,674.90 and 13,281.60 is: 19,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.40 : 37,674.90 = 13,281.60 : x
  2. Step 2: Convert to fraction form
    25,145.40/37,674.90 = 13,281.60/x
  3. Step 3: Cross multiply
    25,145.40x = 37,674.90 × 13,281.60
  4. Step 4: Simplify right side
    25,145.40x = 500,382,951.84
  5. Step 5: Solve for x
    x = 500,382,951.84/25,145.40
  6. Step 6: Final answer
    x = 19,899.58

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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.