Home / 18,029.76-27,050.88-12,875.84

Finding the Fourth Proportional to 18,029.76, 27,050.88 and 12,875.84

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Solution

The fourth proportional to 18,029.76, 27,050.88 and 12,875.84 is: 19,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.76 : 27,050.88 = 12,875.84 : x
  2. Step 2: Convert to fraction form
    18,029.76/27,050.88 = 12,875.84/x
  3. Step 3: Cross multiply
    18,029.76x = 27,050.88 × 12,875.84
  4. Step 4: Simplify right side
    18,029.76x = 348,302,802.74
  5. Step 5: Solve for x
    x = 348,302,802.74/18,029.76
  6. Step 6: Final answer
    x = 19,318.22

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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.