Home / 55,223.28-82,837.64-15,786.16

Finding the Fourth Proportional to 55,223.28, 82,837.64 and 15,786.16

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Solution

The fourth proportional to 55,223.28, 82,837.64 and 15,786.16 is: 23,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.28 : 82,837.64 = 15,786.16 : x
  2. Step 2: Convert to fraction form
    55,223.28/82,837.64 = 15,786.16/x
  3. Step 3: Cross multiply
    55,223.28x = 82,837.64 × 15,786.16
  4. Step 4: Simplify right side
    55,223.28x = 1,307,688,239.06
  5. Step 5: Solve for x
    x = 1,307,688,239.06/55,223.28
  6. Step 6: Final answer
    x = 23,680.02

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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.