Home / 42,243.29-58,235.64-28,797.29

Finding the Fourth Proportional to 42,243.29, 58,235.64 and 28,797.29

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Solution

The fourth proportional to 42,243.29, 58,235.64 and 28,797.29 is: 39,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.29 : 58,235.64 = 28,797.29 : x
  2. Step 2: Convert to fraction form
    42,243.29/58,235.64 = 28,797.29/x
  3. Step 3: Cross multiply
    42,243.29x = 58,235.64 × 28,797.29
  4. Step 4: Simplify right side
    42,243.29x = 1,677,028,322.24
  5. Step 5: Solve for x
    x = 1,677,028,322.24/42,243.29
  6. Step 6: Final answer
    x = 39,699.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.