Home / 27,421.08-37,842.57-15,484.92

Finding the Fourth Proportional to 27,421.08, 37,842.57 and 15,484.92

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Solution

The fourth proportional to 27,421.08, 37,842.57 and 15,484.92 is: 21,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.08 : 37,842.57 = 15,484.92 : x
  2. Step 2: Convert to fraction form
    27,421.08/37,842.57 = 15,484.92/x
  3. Step 3: Cross multiply
    27,421.08x = 37,842.57 × 15,484.92
  4. Step 4: Simplify right side
    27,421.08x = 585,989,169.04
  5. Step 5: Solve for x
    x = 585,989,169.04/27,421.08
  6. Step 6: Final answer
    x = 21,370.03

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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.