Home / 42,628.96-63,943.66-11,036.81

Finding the Fourth Proportional to 42,628.96, 63,943.66 and 11,036.81

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Solution

The fourth proportional to 42,628.96, 63,943.66 and 11,036.81 is: 16,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.96 : 63,943.66 = 11,036.81 : x
  2. Step 2: Convert to fraction form
    42,628.96/63,943.66 = 11,036.81/x
  3. Step 3: Cross multiply
    42,628.96x = 63,943.66 × 11,036.81
  4. Step 4: Simplify right side
    42,628.96x = 705,734,026.12
  5. Step 5: Solve for x
    x = 705,734,026.12/42,628.96
  6. Step 6: Final answer
    x = 16,555.27

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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.