Home / 25,390.35-35,030.21-14,777.73

Finding the Fourth Proportional to 25,390.35, 35,030.21 and 14,777.73

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Solution

The fourth proportional to 25,390.35, 35,030.21 and 14,777.73 is: 20,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.35 : 35,030.21 = 14,777.73 : x
  2. Step 2: Convert to fraction form
    25,390.35/35,030.21 = 14,777.73/x
  3. Step 3: Cross multiply
    25,390.35x = 35,030.21 × 14,777.73
  4. Step 4: Simplify right side
    25,390.35x = 517,666,911.33
  5. Step 5: Solve for x
    x = 517,666,911.33/25,390.35
  6. Step 6: Final answer
    x = 20,388.33

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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.