Home / 23,670.40-35,534.40-17,780.80

Finding the Fourth Proportional to 23,670.40, 35,534.40 and 17,780.80

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Solution

The fourth proportional to 23,670.40, 35,534.40 and 17,780.80 is: 26,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670.40 : 35,534.40 = 17,780.80 : x
  2. Step 2: Convert to fraction form
    23,670.40/35,534.40 = 17,780.80/x
  3. Step 3: Cross multiply
    23,670.40x = 35,534.40 × 17,780.80
  4. Step 4: Simplify right side
    23,670.40x = 631,830,059.52
  5. Step 5: Solve for x
    x = 631,830,059.52/23,670.40
  6. Step 6: Final answer
    x = 26,692.83

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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.