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Finding the Fourth Proportional to 35,356.68, 53,035.74 and 28,303.97

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Solution

The fourth proportional to 35,356.68, 53,035.74 and 28,303.97 is: 42,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.68 : 53,035.74 = 28,303.97 : x
  2. Step 2: Convert to fraction form
    35,356.68/53,035.74 = 28,303.97/x
  3. Step 3: Cross multiply
    35,356.68x = 53,035.74 × 28,303.97
  4. Step 4: Simplify right side
    35,356.68x = 1,501,121,728.71
  5. Step 5: Solve for x
    x = 1,501,121,728.71/35,356.68
  6. Step 6: Final answer
    x = 42,456.52

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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.