Home / 26,689.02-36,788.41-21,014.76

Finding the Fourth Proportional to 26,689.02, 36,788.41 and 21,014.76

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Solution

The fourth proportional to 26,689.02, 36,788.41 and 21,014.76 is: 28,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.02 : 36,788.41 = 21,014.76 : x
  2. Step 2: Convert to fraction form
    26,689.02/36,788.41 = 21,014.76/x
  3. Step 3: Cross multiply
    26,689.02x = 36,788.41 × 21,014.76
  4. Step 4: Simplify right side
    26,689.02x = 773,099,606.93
  5. Step 5: Solve for x
    x = 773,099,606.93/26,689.02
  6. Step 6: Final answer
    x = 28,966.95

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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.