Home / 28,278.36-39,033.72-16,346.52

Finding the Fourth Proportional to 28,278.36, 39,033.72 and 16,346.52

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Solution

The fourth proportional to 28,278.36, 39,033.72 and 16,346.52 is: 22,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.36 : 39,033.72 = 16,346.52 : x
  2. Step 2: Convert to fraction form
    28,278.36/39,033.72 = 16,346.52/x
  3. Step 3: Cross multiply
    28,278.36x = 39,033.72 × 16,346.52
  4. Step 4: Simplify right side
    28,278.36x = 638,065,484.65
  5. Step 5: Solve for x
    x = 638,065,484.65/28,278.36
  6. Step 6: Final answer
    x = 22,563.74

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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.