Home / 28,823.83-39,765.40-17,489.16

Finding the Fourth Proportional to 28,823.83, 39,765.40 and 17,489.16

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Solution

The fourth proportional to 28,823.83, 39,765.40 and 17,489.16 is: 24,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.83 : 39,765.40 = 17,489.16 : x
  2. Step 2: Convert to fraction form
    28,823.83/39,765.40 = 17,489.16/x
  3. Step 3: Cross multiply
    28,823.83x = 39,765.40 × 17,489.16
  4. Step 4: Simplify right side
    28,823.83x = 695,463,443.06
  5. Step 5: Solve for x
    x = 695,463,443.06/28,823.83
  6. Step 6: Final answer
    x = 24,128.08

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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.