Home / 27,390.66-37,795.86-15,453.30

Finding the Fourth Proportional to 27,390.66, 37,795.86 and 15,453.30

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Solution

The fourth proportional to 27,390.66, 37,795.86 and 15,453.30 is: 21,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.66 : 37,795.86 = 15,453.30 : x
  2. Step 2: Convert to fraction form
    27,390.66/37,795.86 = 15,453.30/x
  3. Step 3: Cross multiply
    27,390.66x = 37,795.86 × 15,453.30
  4. Step 4: Simplify right side
    27,390.66x = 584,070,763.34
  5. Step 5: Solve for x
    x = 584,070,763.34/27,390.66
  6. Step 6: Final answer
    x = 21,323.72

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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.