Home / 27,887.77-38,484.96-15,140.85

Finding the Fourth Proportional to 27,887.77, 38,484.96 and 15,140.85

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Solution

The fourth proportional to 27,887.77, 38,484.96 and 15,140.85 is: 20,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.77 : 38,484.96 = 15,140.85 : x
  2. Step 2: Convert to fraction form
    27,887.77/38,484.96 = 15,140.85/x
  3. Step 3: Cross multiply
    27,887.77x = 38,484.96 × 15,140.85
  4. Step 4: Simplify right side
    27,887.77x = 582,695,041.51
  5. Step 5: Solve for x
    x = 582,695,041.51/27,887.77
  6. Step 6: Final answer
    x = 20,894.29

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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.