Home / 27,638.61-41,428.33-14,298.15

Finding the Fourth Proportional to 27,638.61, 41,428.33 and 14,298.15

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Solution

The fourth proportional to 27,638.61, 41,428.33 and 14,298.15 is: 21,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.61 : 41,428.33 = 14,298.15 : x
  2. Step 2: Convert to fraction form
    27,638.61/41,428.33 = 14,298.15/x
  3. Step 3: Cross multiply
    27,638.61x = 41,428.33 × 14,298.15
  4. Step 4: Simplify right side
    27,638.61x = 592,348,476.59
  5. Step 5: Solve for x
    x = 592,348,476.59/27,638.61
  6. Step 6: Final answer
    x = 21,431.92

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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.