Home / 27,389.34-37,795.55-15,453.72

Finding the Fourth Proportional to 27,389.34, 37,795.55 and 15,453.72

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Solution

The fourth proportional to 27,389.34, 37,795.55 and 15,453.72 is: 21,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.34 : 37,795.55 = 15,453.72 : x
  2. Step 2: Convert to fraction form
    27,389.34/37,795.55 = 15,453.72/x
  3. Step 3: Cross multiply
    27,389.34x = 37,795.55 × 15,453.72
  4. Step 4: Simplify right side
    27,389.34x = 584,081,769.68
  5. Step 5: Solve for x
    x = 584,081,769.68/27,389.34
  6. Step 6: Final answer
    x = 21,325.15

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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.