Home / 28,035.86-41,995.47-13,256.60

Finding the Fourth Proportional to 28,035.86, 41,995.47 and 13,256.60

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Solution

The fourth proportional to 28,035.86, 41,995.47 and 13,256.60 is: 19,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.86 : 41,995.47 = 13,256.60 : x
  2. Step 2: Convert to fraction form
    28,035.86/41,995.47 = 13,256.60/x
  3. Step 3: Cross multiply
    28,035.86x = 41,995.47 × 13,256.60
  4. Step 4: Simplify right side
    28,035.86x = 556,717,147.60
  5. Step 5: Solve for x
    x = 556,717,147.60/28,035.86
  6. Step 6: Final answer
    x = 19,857.32

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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.