Home / 25,058.78-37,588.83-8,419.40

Finding the Fourth Proportional to 25,058.78, 37,588.83 and 8,419.40

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Solution

The fourth proportional to 25,058.78, 37,588.83 and 8,419.40 is: 12,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,058.78 : 37,588.83 = 8,419.40 : x
  2. Step 2: Convert to fraction form
    25,058.78/37,588.83 = 8,419.40/x
  3. Step 3: Cross multiply
    25,058.78x = 37,588.83 × 8,419.40
  4. Step 4: Simplify right side
    25,058.78x = 316,475,395.30
  5. Step 5: Solve for x
    x = 316,475,395.30/25,058.78
  6. Step 6: Final answer
    x = 12,629.32

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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.