Home / 20,026.81-30,041.58-6,888.41

Finding the Fourth Proportional to 20,026.81, 30,041.58 and 6,888.41

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Solution

The fourth proportional to 20,026.81, 30,041.58 and 6,888.41 is: 10,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.81 : 30,041.58 = 6,888.41 : x
  2. Step 2: Convert to fraction form
    20,026.81/30,041.58 = 6,888.41/x
  3. Step 3: Cross multiply
    20,026.81x = 30,041.58 × 6,888.41
  4. Step 4: Simplify right side
    20,026.81x = 206,938,708.37
  5. Step 5: Solve for x
    x = 206,938,708.37/20,026.81
  6. Step 6: Final answer
    x = 10,333.08

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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.