Home / 27,917.10-38,526.12-15,341.76

Finding the Fourth Proportional to 27,917.10, 38,526.12 and 15,341.76

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Solution

The fourth proportional to 27,917.10, 38,526.12 and 15,341.76 is: 21,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.10 : 38,526.12 = 15,341.76 : x
  2. Step 2: Convert to fraction form
    27,917.10/38,526.12 = 15,341.76/x
  3. Step 3: Cross multiply
    27,917.10x = 38,526.12 × 15,341.76
  4. Step 4: Simplify right side
    27,917.10x = 591,058,486.77
  5. Step 5: Solve for x
    x = 591,058,486.77/27,917.10
  6. Step 6: Final answer
    x = 21,171.92

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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.