Home / 35,740.87-53,526.56-28,321.47

Finding the Fourth Proportional to 35,740.87, 53,526.56 and 28,321.47

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Solution

The fourth proportional to 35,740.87, 53,526.56 and 28,321.47 is: 42,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.87 : 53,526.56 = 28,321.47 : x
  2. Step 2: Convert to fraction form
    35,740.87/53,526.56 = 28,321.47/x
  3. Step 3: Cross multiply
    35,740.87x = 53,526.56 × 28,321.47
  4. Step 4: Simplify right side
    35,740.87x = 1,515,950,721.64
  5. Step 5: Solve for x
    x = 1,515,950,721.64/35,740.87
  6. Step 6: Final answer
    x = 42,415.05

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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.