Home / 28,704.54-39,631.59-25,670.24

Finding the Fourth Proportional to 28,704.54, 39,631.59 and 25,670.24

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Solution

The fourth proportional to 28,704.54, 39,631.59 and 25,670.24 is: 35,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.54 : 39,631.59 = 25,670.24 : x
  2. Step 2: Convert to fraction form
    28,704.54/39,631.59 = 25,670.24/x
  3. Step 3: Cross multiply
    28,704.54x = 39,631.59 × 25,670.24
  4. Step 4: Simplify right side
    28,704.54x = 1,017,352,362.71
  5. Step 5: Solve for x
    x = 1,017,352,362.71/28,704.54
  6. Step 6: Final answer
    x = 35,442.22

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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.