Home / 27,237.76-37,589.71-20,511.52

Finding the Fourth Proportional to 27,237.76, 37,589.71 and 20,511.52

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Solution

The fourth proportional to 27,237.76, 37,589.71 and 20,511.52 is: 28,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,237.76 : 37,589.71 = 20,511.52 : x
  2. Step 2: Convert to fraction form
    27,237.76/37,589.71 = 20,511.52/x
  3. Step 3: Cross multiply
    27,237.76x = 37,589.71 × 20,511.52
  4. Step 4: Simplify right side
    27,237.76x = 771,021,900.51
  5. Step 5: Solve for x
    x = 771,021,900.51/27,237.76
  6. Step 6: Final answer
    x = 28,307.10

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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.