Home / 27,423.84-37,840.82-15,486.96

Finding the Fourth Proportional to 27,423.84, 37,840.82 and 15,486.96

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Solution

The fourth proportional to 27,423.84, 37,840.82 and 15,486.96 is: 21,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.84 : 37,840.82 = 15,486.96 : x
  2. Step 2: Convert to fraction form
    27,423.84/37,840.82 = 15,486.96/x
  3. Step 3: Cross multiply
    27,423.84x = 37,840.82 × 15,486.96
  4. Step 4: Simplify right side
    27,423.84x = 586,039,265.71
  5. Step 5: Solve for x
    x = 586,039,265.71/27,423.84
  6. Step 6: Final answer
    x = 21,369.70

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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.