Home / 27,721.02-41,600.37-12,931.44

Finding the Fourth Proportional to 27,721.02, 41,600.37 and 12,931.44

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Solution

The fourth proportional to 27,721.02, 41,600.37 and 12,931.44 is: 19,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.02 : 41,600.37 = 12,931.44 : x
  2. Step 2: Convert to fraction form
    27,721.02/41,600.37 = 12,931.44/x
  3. Step 3: Cross multiply
    27,721.02x = 41,600.37 × 12,931.44
  4. Step 4: Simplify right side
    27,721.02x = 537,952,688.63
  5. Step 5: Solve for x
    x = 537,952,688.63/27,721.02
  6. Step 6: Final answer
    x = 19,405.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.