Home / 26,265.60-39,495.60-21,988.80

Finding the Fourth Proportional to 26,265.60, 39,495.60 and 21,988.80

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Solution

The fourth proportional to 26,265.60, 39,495.60 and 21,988.80 is: 33,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.60 : 39,495.60 = 21,988.80 : x
  2. Step 2: Convert to fraction form
    26,265.60/39,495.60 = 21,988.80/x
  3. Step 3: Cross multiply
    26,265.60x = 39,495.60 × 21,988.80
  4. Step 4: Simplify right side
    26,265.60x = 868,460,849.28
  5. Step 5: Solve for x
    x = 868,460,849.28/26,265.60
  6. Step 6: Final answer
    x = 33,064.57

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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.