Home / 27,638.84-41,428.69-14,298.40

Finding the Fourth Proportional to 27,638.84, 41,428.69 and 14,298.40

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Solution

The fourth proportional to 27,638.84, 41,428.69 and 14,298.40 is: 21,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.84 : 41,428.69 = 14,298.40 : x
  2. Step 2: Convert to fraction form
    27,638.84/41,428.69 = 14,298.40/x
  3. Step 3: Cross multiply
    27,638.84x = 41,428.69 × 14,298.40
  4. Step 4: Simplify right side
    27,638.84x = 592,363,981.10
  5. Step 5: Solve for x
    x = 592,363,981.10/27,638.84
  6. Step 6: Final answer
    x = 21,432.30

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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.