Home / 27,206.78-37,547.03-15,270.89

Finding the Fourth Proportional to 27,206.78, 37,547.03 and 15,270.89

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Solution

The fourth proportional to 27,206.78, 37,547.03 and 15,270.89 is: 21,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.78 : 37,547.03 = 15,270.89 : x
  2. Step 2: Convert to fraction form
    27,206.78/37,547.03 = 15,270.89/x
  3. Step 3: Cross multiply
    27,206.78x = 37,547.03 × 15,270.89
  4. Step 4: Simplify right side
    27,206.78x = 573,376,488.60
  5. Step 5: Solve for x
    x = 573,376,488.60/27,206.78
  6. Step 6: Final answer
    x = 21,074.76

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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.