Home / 35,155.20-52,705.80-17,637.60

Finding the Fourth Proportional to 35,155.20, 52,705.80 and 17,637.60

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Solution

The fourth proportional to 35,155.20, 52,705.80 and 17,637.60 is: 26,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.20 : 52,705.80 = 17,637.60 : x
  2. Step 2: Convert to fraction form
    35,155.20/52,705.80 = 17,637.60/x
  3. Step 3: Cross multiply
    35,155.20x = 52,705.80 × 17,637.60
  4. Step 4: Simplify right side
    35,155.20x = 929,603,818.08
  5. Step 5: Solve for x
    x = 929,603,818.08/35,155.20
  6. Step 6: Final answer
    x = 26,442.85

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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.