Home / 27,887.69-38,484.74-15,140.99

Finding the Fourth Proportional to 27,887.69, 38,484.74 and 15,140.99

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Solution

The fourth proportional to 27,887.69, 38,484.74 and 15,140.99 is: 20,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.69 : 38,484.74 = 15,140.99 : x
  2. Step 2: Convert to fraction form
    27,887.69/38,484.74 = 15,140.99/x
  3. Step 3: Cross multiply
    27,887.69x = 38,484.74 × 15,140.99
  4. Step 4: Simplify right side
    27,887.69x = 582,696,987.79
  5. Step 5: Solve for x
    x = 582,696,987.79/27,887.69
  6. Step 6: Final answer
    x = 20,894.42

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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.