Home / 28,034.95-42,041.94-11,389.37

Finding the Fourth Proportional to 28,034.95, 42,041.94 and 11,389.37

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Solution

The fourth proportional to 28,034.95, 42,041.94 and 11,389.37 is: 17,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.95 : 42,041.94 = 11,389.37 : x
  2. Step 2: Convert to fraction form
    28,034.95/42,041.94 = 11,389.37/x
  3. Step 3: Cross multiply
    28,034.95x = 42,041.94 × 11,389.37
  4. Step 4: Simplify right side
    28,034.95x = 478,831,215.10
  5. Step 5: Solve for x
    x = 478,831,215.10/28,034.95
  6. Step 6: Final answer
    x = 17,079.80

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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.