Home / 27,749.13-38,293.75-15,002.32

Finding the Fourth Proportional to 27,749.13, 38,293.75 and 15,002.32

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Solution

The fourth proportional to 27,749.13, 38,293.75 and 15,002.32 is: 20,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.13 : 38,293.75 = 15,002.32 : x
  2. Step 2: Convert to fraction form
    27,749.13/38,293.75 = 15,002.32/x
  3. Step 3: Cross multiply
    27,749.13x = 38,293.75 × 15,002.32
  4. Step 4: Simplify right side
    27,749.13x = 574,495,091.50
  5. Step 5: Solve for x
    x = 574,495,091.50/27,749.13
  6. Step 6: Final answer
    x = 20,703.17

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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.