Home / 23,989.37-33,090.80-15,478.16

Finding the Fourth Proportional to 23,989.37, 33,090.80 and 15,478.16

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Solution

The fourth proportional to 23,989.37, 33,090.80 and 15,478.16 is: 21,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.37 : 33,090.80 = 15,478.16 : x
  2. Step 2: Convert to fraction form
    23,989.37/33,090.80 = 15,478.16/x
  3. Step 3: Cross multiply
    23,989.37x = 33,090.80 × 15,478.16
  4. Step 4: Simplify right side
    23,989.37x = 512,184,454.08
  5. Step 5: Solve for x
    x = 512,184,454.08/23,989.37
  6. Step 6: Final answer
    x = 21,350.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.