Home / 27,439.72-37,864.74-15,503.08

Finding the Fourth Proportional to 27,439.72, 37,864.74 and 15,503.08

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Solution

The fourth proportional to 27,439.72, 37,864.74 and 15,503.08 is: 21,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.72 : 37,864.74 = 15,503.08 : x
  2. Step 2: Convert to fraction form
    27,439.72/37,864.74 = 15,503.08/x
  3. Step 3: Cross multiply
    27,439.72x = 37,864.74 × 15,503.08
  4. Step 4: Simplify right side
    27,439.72x = 587,020,093.40
  5. Step 5: Solve for x
    x = 587,020,093.40/27,439.72
  6. Step 6: Final answer
    x = 21,393.08

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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.