Home / 39,168.16-58,810.56-15,840.16

Finding the Fourth Proportional to 39,168.16, 58,810.56 and 15,840.16

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Solution

The fourth proportional to 39,168.16, 58,810.56 and 15,840.16 is: 23,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.16 : 58,810.56 = 15,840.16 : x
  2. Step 2: Convert to fraction form
    39,168.16/58,810.56 = 15,840.16/x
  3. Step 3: Cross multiply
    39,168.16x = 58,810.56 × 15,840.16
  4. Step 4: Simplify right side
    39,168.16x = 931,568,680.09
  5. Step 5: Solve for x
    x = 931,568,680.09/39,168.16
  6. Step 6: Final answer
    x = 23,783.83

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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.