Home / 26,489.78-36,559.40-17,085.68

Finding the Fourth Proportional to 26,489.78, 36,559.40 and 17,085.68

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Solution

The fourth proportional to 26,489.78, 36,559.40 and 17,085.68 is: 23,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.78 : 36,559.40 = 17,085.68 : x
  2. Step 2: Convert to fraction form
    26,489.78/36,559.40 = 17,085.68/x
  3. Step 3: Cross multiply
    26,489.78x = 36,559.40 × 17,085.68
  4. Step 4: Simplify right side
    26,489.78x = 624,642,209.39
  5. Step 5: Solve for x
    x = 624,642,209.39/26,489.78
  6. Step 6: Final answer
    x = 23,580.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.