Home / 25,553.79-35,254.40-18,855.51

Finding the Fourth Proportional to 25,553.79, 35,254.40 and 18,855.51

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Solution

The fourth proportional to 25,553.79, 35,254.40 and 18,855.51 is: 26,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.79 : 35,254.40 = 18,855.51 : x
  2. Step 2: Convert to fraction form
    25,553.79/35,254.40 = 18,855.51/x
  3. Step 3: Cross multiply
    25,553.79x = 35,254.40 × 18,855.51
  4. Step 4: Simplify right side
    25,553.79x = 664,739,597.47
  5. Step 5: Solve for x
    x = 664,739,597.47/25,553.79
  6. Step 6: Final answer
    x = 26,013.35

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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.