Home / 25,089.96-34,557.60-18,696.06

Finding the Fourth Proportional to 25,089.96, 34,557.60 and 18,696.06

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Solution

The fourth proportional to 25,089.96, 34,557.60 and 18,696.06 is: 25,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.96 : 34,557.60 = 18,696.06 : x
  2. Step 2: Convert to fraction form
    25,089.96/34,557.60 = 18,696.06/x
  3. Step 3: Cross multiply
    25,089.96x = 34,557.60 × 18,696.06
  4. Step 4: Simplify right side
    25,089.96x = 646,090,963.06
  5. Step 5: Solve for x
    x = 646,090,963.06/25,089.96
  6. Step 6: Final answer
    x = 25,750.98

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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.