Home / 17,820.48-26,740.08-10,439.44

Finding the Fourth Proportional to 17,820.48, 26,740.08 and 10,439.44

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Solution

The fourth proportional to 17,820.48, 26,740.08 and 10,439.44 is: 15,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.48 : 26,740.08 = 10,439.44 : x
  2. Step 2: Convert to fraction form
    17,820.48/26,740.08 = 10,439.44/x
  3. Step 3: Cross multiply
    17,820.48x = 26,740.08 × 10,439.44
  4. Step 4: Simplify right side
    17,820.48x = 279,151,460.76
  5. Step 5: Solve for x
    x = 279,151,460.76/17,820.48
  6. Step 6: Final answer
    x = 15,664.64

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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.