Home / 26,985.60-40,476.48-9,214.80

Finding the Fourth Proportional to 26,985.60, 40,476.48 and 9,214.80

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Solution

The fourth proportional to 26,985.60, 40,476.48 and 9,214.80 is: 13,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.60 : 40,476.48 = 9,214.80 : x
  2. Step 2: Convert to fraction form
    26,985.60/40,476.48 = 9,214.80/x
  3. Step 3: Cross multiply
    26,985.60x = 40,476.48 × 9,214.80
  4. Step 4: Simplify right side
    26,985.60x = 372,982,667.90
  5. Step 5: Solve for x
    x = 372,982,667.90/26,985.60
  6. Step 6: Final answer
    x = 13,821.54

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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.