Home / 26,607.29-36,719.93-15,278.63

Finding the Fourth Proportional to 26,607.29, 36,719.93 and 15,278.63

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Solution

The fourth proportional to 26,607.29, 36,719.93 and 15,278.63 is: 21,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.29 : 36,719.93 = 15,278.63 : x
  2. Step 2: Convert to fraction form
    26,607.29/36,719.93 = 15,278.63/x
  3. Step 3: Cross multiply
    26,607.29x = 36,719.93 × 15,278.63
  4. Step 4: Simplify right side
    26,607.29x = 561,030,078.69
  5. Step 5: Solve for x
    x = 561,030,078.69/26,607.29
  6. Step 6: Final answer
    x = 21,085.58

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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.