Home / 27,946.86-38,566.64-15,371.60

Finding the Fourth Proportional to 27,946.86, 38,566.64 and 15,371.60

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Solution

The fourth proportional to 27,946.86, 38,566.64 and 15,371.60 is: 21,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.86 : 38,566.64 = 15,371.60 : x
  2. Step 2: Convert to fraction form
    27,946.86/38,566.64 = 15,371.60/x
  3. Step 3: Cross multiply
    27,946.86x = 38,566.64 × 15,371.60
  4. Step 4: Simplify right side
    27,946.86x = 592,830,963.42
  5. Step 5: Solve for x
    x = 592,830,963.42/27,946.86
  6. Step 6: Final answer
    x = 21,212.79

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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.