Home / 27,835.08-38,412.38-15,260.64

Finding the Fourth Proportional to 27,835.08, 38,412.38 and 15,260.64

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Solution

The fourth proportional to 27,835.08, 38,412.38 and 15,260.64 is: 21,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.08 : 38,412.38 = 15,260.64 : x
  2. Step 2: Convert to fraction form
    27,835.08/38,412.38 = 15,260.64/x
  3. Step 3: Cross multiply
    27,835.08x = 38,412.38 × 15,260.64
  4. Step 4: Simplify right side
    27,835.08x = 586,197,502.72
  5. Step 5: Solve for x
    x = 586,197,502.72/27,835.08
  6. Step 6: Final answer
    x = 21,059.67

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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.