Home / 27,148.76-37,468.73-15,818.78

Finding the Fourth Proportional to 27,148.76, 37,468.73 and 15,818.78

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Solution

The fourth proportional to 27,148.76, 37,468.73 and 15,818.78 is: 21,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.76 : 37,468.73 = 15,818.78 : x
  2. Step 2: Convert to fraction form
    27,148.76/37,468.73 = 15,818.78/x
  3. Step 3: Cross multiply
    27,148.76x = 37,468.73 × 15,818.78
  4. Step 4: Simplify right side
    27,148.76x = 592,709,330.31
  5. Step 5: Solve for x
    x = 592,709,330.31/27,148.76
  6. Step 6: Final answer
    x = 21,831.92

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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.