Home / 26,359.60-39,539.40-8,827.60

Finding the Fourth Proportional to 26,359.60, 39,539.40 and 8,827.60

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Solution

The fourth proportional to 26,359.60, 39,539.40 and 8,827.60 is: 13,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.60 : 39,539.40 = 8,827.60 : x
  2. Step 2: Convert to fraction form
    26,359.60/39,539.40 = 8,827.60/x
  3. Step 3: Cross multiply
    26,359.60x = 39,539.40 × 8,827.60
  4. Step 4: Simplify right side
    26,359.60x = 349,038,007.44
  5. Step 5: Solve for x
    x = 349,038,007.44/26,359.60
  6. Step 6: Final answer
    x = 13,241.40

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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.