Home / 28,701.72-43,055.08-7,925.24

Finding the Fourth Proportional to 28,701.72, 43,055.08 and 7,925.24

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Solution

The fourth proportional to 28,701.72, 43,055.08 and 7,925.24 is: 11,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.72 : 43,055.08 = 7,925.24 : x
  2. Step 2: Convert to fraction form
    28,701.72/43,055.08 = 7,925.24/x
  3. Step 3: Cross multiply
    28,701.72x = 43,055.08 × 7,925.24
  4. Step 4: Simplify right side
    28,701.72x = 341,221,842.22
  5. Step 5: Solve for x
    x = 341,221,842.22/28,701.72
  6. Step 6: Final answer
    x = 11,888.55

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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.