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Finding the Fourth Proportional to 92,588.67, 138,903.26 and 28,547.24

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Solution

The fourth proportional to 92,588.67, 138,903.26 and 28,547.24 is: 42,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,588.67 : 138,903.26 = 28,547.24 : x
  2. Step 2: Convert to fraction form
    92,588.67/138,903.26 = 28,547.24/x
  3. Step 3: Cross multiply
    92,588.67x = 138,903.26 × 28,547.24
  4. Step 4: Simplify right side
    92,588.67x = 3,965,303,862.75
  5. Step 5: Solve for x
    x = 3,965,303,862.75/92,588.67
  6. Step 6: Final answer
    x = 42,827.10

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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.