Home / 28,827.36-43,241.04-13,258.08

Finding the Fourth Proportional to 28,827.36, 43,241.04 and 13,258.08

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Solution

The fourth proportional to 28,827.36, 43,241.04 and 13,258.08 is: 19,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.36 : 43,241.04 = 13,258.08 : x
  2. Step 2: Convert to fraction form
    28,827.36/43,241.04 = 13,258.08/x
  3. Step 3: Cross multiply
    28,827.36x = 43,241.04 × 13,258.08
  4. Step 4: Simplify right side
    28,827.36x = 573,293,167.60
  5. Step 5: Solve for x
    x = 573,293,167.60/28,827.36
  6. Step 6: Final answer
    x = 19,887.12

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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.