Home / 27,409.20-37,798.70-18,897.72

Finding the Fourth Proportional to 27,409.20, 37,798.70 and 18,897.72

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Solution

The fourth proportional to 27,409.20, 37,798.70 and 18,897.72 is: 26,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.20 : 37,798.70 = 18,897.72 : x
  2. Step 2: Convert to fraction form
    27,409.20/37,798.70 = 18,897.72/x
  3. Step 3: Cross multiply
    27,409.20x = 37,798.70 × 18,897.72
  4. Step 4: Simplify right side
    27,409.20x = 714,309,154.48
  5. Step 5: Solve for x
    x = 714,309,154.48/27,409.20
  6. Step 6: Final answer
    x = 26,060.93

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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.