Home / 28,400.06-42,605.22-11,751.08

Finding the Fourth Proportional to 28,400.06, 42,605.22 and 11,751.08

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Solution

The fourth proportional to 28,400.06, 42,605.22 and 11,751.08 is: 17,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.06 : 42,605.22 = 11,751.08 : x
  2. Step 2: Convert to fraction form
    28,400.06/42,605.22 = 11,751.08/x
  3. Step 3: Cross multiply
    28,400.06x = 42,605.22 × 11,751.08
  4. Step 4: Simplify right side
    28,400.06x = 500,657,348.64
  5. Step 5: Solve for x
    x = 500,657,348.64/28,400.06
  6. Step 6: Final answer
    x = 17,628.74

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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.