Home / 27,390.08-37,798.22-15,453.16

Finding the Fourth Proportional to 27,390.08, 37,798.22 and 15,453.16

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Solution

The fourth proportional to 27,390.08, 37,798.22 and 15,453.16 is: 21,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.08 : 37,798.22 = 15,453.16 : x
  2. Step 2: Convert to fraction form
    27,390.08/37,798.22 = 15,453.16/x
  3. Step 3: Cross multiply
    27,390.08x = 37,798.22 × 15,453.16
  4. Step 4: Simplify right side
    27,390.08x = 584,101,941.38
  5. Step 5: Solve for x
    x = 584,101,941.38/27,390.08
  6. Step 6: Final answer
    x = 21,325.31

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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.