Home / 27,018.58-37,289.02-16,405.42

Finding the Fourth Proportional to 27,018.58, 37,289.02 and 16,405.42

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Solution

The fourth proportional to 27,018.58, 37,289.02 and 16,405.42 is: 22,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.58 : 37,289.02 = 16,405.42 : x
  2. Step 2: Convert to fraction form
    27,018.58/37,289.02 = 16,405.42/x
  3. Step 3: Cross multiply
    27,018.58x = 37,289.02 × 16,405.42
  4. Step 4: Simplify right side
    27,018.58x = 611,742,034.49
  5. Step 5: Solve for x
    x = 611,742,034.49/27,018.58
  6. Step 6: Final answer
    x = 22,641.53

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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.