Home / 55,427.06-83,152.90-15,981.10

Finding the Fourth Proportional to 55,427.06, 83,152.90 and 15,981.10

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Solution

The fourth proportional to 55,427.06, 83,152.90 and 15,981.10 is: 23,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.06 : 83,152.90 = 15,981.10 : x
  2. Step 2: Convert to fraction form
    55,427.06/83,152.90 = 15,981.10/x
  3. Step 3: Cross multiply
    55,427.06x = 83,152.90 × 15,981.10
  4. Step 4: Simplify right side
    55,427.06x = 1,328,874,810.19
  5. Step 5: Solve for x
    x = 1,328,874,810.19/55,427.06
  6. Step 6: Final answer
    x = 23,975.20

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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.