Home / 25,078.74-37,682.69-18,897.05

Finding the Fourth Proportional to 25,078.74, 37,682.69 and 18,897.05

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Solution

The fourth proportional to 25,078.74, 37,682.69 and 18,897.05 is: 28,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.74 : 37,682.69 = 18,897.05 : x
  2. Step 2: Convert to fraction form
    25,078.74/37,682.69 = 18,897.05/x
  3. Step 3: Cross multiply
    25,078.74x = 37,682.69 × 18,897.05
  4. Step 4: Simplify right side
    25,078.74x = 712,091,624.26
  5. Step 5: Solve for x
    x = 712,091,624.26/25,078.74
  6. Step 6: Final answer
    x = 28,394.24

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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.