Home / 26,259.48-39,377.70-9,615.20

Finding the Fourth Proportional to 26,259.48, 39,377.70 and 9,615.20

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Solution

The fourth proportional to 26,259.48, 39,377.70 and 9,615.20 is: 14,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.48 : 39,377.70 = 9,615.20 : x
  2. Step 2: Convert to fraction form
    26,259.48/39,377.70 = 9,615.20/x
  3. Step 3: Cross multiply
    26,259.48x = 39,377.70 × 9,615.20
  4. Step 4: Simplify right side
    26,259.48x = 378,624,461.04
  5. Step 5: Solve for x
    x = 378,624,461.04/26,259.48
  6. Step 6: Final answer
    x = 14,418.58

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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.