Home / 17,840.40-26,782.20-17,710.80

Finding the Fourth Proportional to 17,840.40, 26,782.20 and 17,710.80

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Solution

The fourth proportional to 17,840.40, 26,782.20 and 17,710.80 is: 26,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.40 : 26,782.20 = 17,710.80 : x
  2. Step 2: Convert to fraction form
    17,840.40/26,782.20 = 17,710.80/x
  3. Step 3: Cross multiply
    17,840.40x = 26,782.20 × 17,710.80
  4. Step 4: Simplify right side
    17,840.40x = 474,334,187.76
  5. Step 5: Solve for x
    x = 474,334,187.76/17,840.40
  6. Step 6: Final answer
    x = 26,587.64

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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.