Home / 28,002.19-41,990.06-10,220.51

Finding the Fourth Proportional to 28,002.19, 41,990.06 and 10,220.51

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Solution

The fourth proportional to 28,002.19, 41,990.06 and 10,220.51 is: 15,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.19 : 41,990.06 = 10,220.51 : x
  2. Step 2: Convert to fraction form
    28,002.19/41,990.06 = 10,220.51/x
  3. Step 3: Cross multiply
    28,002.19x = 41,990.06 × 10,220.51
  4. Step 4: Simplify right side
    28,002.19x = 429,159,958.66
  5. Step 5: Solve for x
    x = 429,159,958.66/28,002.19
  6. Step 6: Final answer
    x = 15,325.94

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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.