Home / 70,418.06-105,627.26-17,827.55

Finding the Fourth Proportional to 70,418.06, 105,627.26 and 17,827.55

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Solution

The fourth proportional to 70,418.06, 105,627.26 and 17,827.55 is: 26,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,418.06 : 105,627.26 = 17,827.55 : x
  2. Step 2: Convert to fraction form
    70,418.06/105,627.26 = 17,827.55/x
  3. Step 3: Cross multiply
    70,418.06x = 105,627.26 × 17,827.55
  4. Step 4: Simplify right side
    70,418.06x = 1,883,074,775.45
  5. Step 5: Solve for x
    x = 1,883,074,775.45/70,418.06
  6. Step 6: Final answer
    x = 26,741.36

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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.