Home / 25,520.63-38,297.36-9,938.25

Finding the Fourth Proportional to 25,520.63, 38,297.36 and 9,938.25

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Solution

The fourth proportional to 25,520.63, 38,297.36 and 9,938.25 is: 14,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.63 : 38,297.36 = 9,938.25 : x
  2. Step 2: Convert to fraction form
    25,520.63/38,297.36 = 9,938.25/x
  3. Step 3: Cross multiply
    25,520.63x = 38,297.36 × 9,938.25
  4. Step 4: Simplify right side
    25,520.63x = 380,608,762.87
  5. Step 5: Solve for x
    x = 380,608,762.87/25,520.63
  6. Step 6: Final answer
    x = 14,913.77

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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.