Home / 20,076.36-30,090.24-17,714.40

Finding the Fourth Proportional to 20,076.36, 30,090.24 and 17,714.40

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Solution

The fourth proportional to 20,076.36, 30,090.24 and 17,714.40 is: 26,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.36 : 30,090.24 = 17,714.40 : x
  2. Step 2: Convert to fraction form
    20,076.36/30,090.24 = 17,714.40/x
  3. Step 3: Cross multiply
    20,076.36x = 30,090.24 × 17,714.40
  4. Step 4: Simplify right side
    20,076.36x = 533,030,547.46
  5. Step 5: Solve for x
    x = 533,030,547.46/20,076.36
  6. Step 6: Final answer
    x = 26,550.16

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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.