Home / 28,825.06-43,242.08-12,185.16

Finding the Fourth Proportional to 28,825.06, 43,242.08 and 12,185.16

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Solution

The fourth proportional to 28,825.06, 43,242.08 and 12,185.16 is: 18,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.06 : 43,242.08 = 12,185.16 : x
  2. Step 2: Convert to fraction form
    28,825.06/43,242.08 = 12,185.16/x
  3. Step 3: Cross multiply
    28,825.06x = 43,242.08 × 12,185.16
  4. Step 4: Simplify right side
    28,825.06x = 526,911,663.53
  5. Step 5: Solve for x
    x = 526,911,663.53/28,825.06
  6. Step 6: Final answer
    x = 18,279.64

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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.