Home / 27,396.90-37,809.72-15,461.28

Finding the Fourth Proportional to 27,396.90, 37,809.72 and 15,461.28

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Solution

The fourth proportional to 27,396.90, 37,809.72 and 15,461.28 is: 21,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.90 : 37,809.72 = 15,461.28 : x
  2. Step 2: Convert to fraction form
    27,396.90/37,809.72 = 15,461.28/x
  3. Step 3: Cross multiply
    27,396.90x = 37,809.72 × 15,461.28
  4. Step 4: Simplify right side
    27,396.90x = 584,586,667.64
  5. Step 5: Solve for x
    x = 584,586,667.64/27,396.90
  6. Step 6: Final answer
    x = 21,337.69

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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.