Home / 35,186.80-52,756.40-18,529.20

Finding the Fourth Proportional to 35,186.80, 52,756.40 and 18,529.20

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Solution

The fourth proportional to 35,186.80, 52,756.40 and 18,529.20 is: 27,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,186.80 : 52,756.40 = 18,529.20 : x
  2. Step 2: Convert to fraction form
    35,186.80/52,756.40 = 18,529.20/x
  3. Step 3: Cross multiply
    35,186.80x = 52,756.40 × 18,529.20
  4. Step 4: Simplify right side
    35,186.80x = 977,533,886.88
  5. Step 5: Solve for x
    x = 977,533,886.88/35,186.80
  6. Step 6: Final answer
    x = 27,781.27

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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.