Home / 28,725.06-39,670.80-25,594.20

Finding the Fourth Proportional to 28,725.06, 39,670.80 and 25,594.20

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Solution

The fourth proportional to 28,725.06, 39,670.80 and 25,594.20 is: 35,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.06 : 39,670.80 = 25,594.20 : x
  2. Step 2: Convert to fraction form
    28,725.06/39,670.80 = 25,594.20/x
  3. Step 3: Cross multiply
    28,725.06x = 39,670.80 × 25,594.20
  4. Step 4: Simplify right side
    28,725.06x = 1,015,342,389.36
  5. Step 5: Solve for x
    x = 1,015,342,389.36/28,725.06
  6. Step 6: Final answer
    x = 35,346.92

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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.