Home / 27,945.08-38,564.94-15,370.16

Finding the Fourth Proportional to 27,945.08, 38,564.94 and 15,370.16

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Solution

The fourth proportional to 27,945.08, 38,564.94 and 15,370.16 is: 21,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.08 : 38,564.94 = 15,370.16 : x
  2. Step 2: Convert to fraction form
    27,945.08/38,564.94 = 15,370.16/x
  3. Step 3: Cross multiply
    27,945.08x = 38,564.94 × 15,370.16
  4. Step 4: Simplify right side
    27,945.08x = 592,749,298.19
  5. Step 5: Solve for x
    x = 592,749,298.19/27,945.08
  6. Step 6: Final answer
    x = 21,211.22

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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.