Home / 43,015.36-64,419.21-25,868.93

Finding the Fourth Proportional to 43,015.36, 64,419.21 and 25,868.93

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Solution

The fourth proportional to 43,015.36, 64,419.21 and 25,868.93 is: 38,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.36 : 64,419.21 = 25,868.93 : x
  2. Step 2: Convert to fraction form
    43,015.36/64,419.21 = 25,868.93/x
  3. Step 3: Cross multiply
    43,015.36x = 64,419.21 × 25,868.93
  4. Step 4: Simplify right side
    43,015.36x = 1,666,456,315.98
  5. Step 5: Solve for x
    x = 1,666,456,315.98/43,015.36
  6. Step 6: Final answer
    x = 38,740.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.