Home / 19,875.45-27,426.80-10,922.76

Finding the Fourth Proportional to 19,875.45, 27,426.80 and 10,922.76

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Solution

The fourth proportional to 19,875.45, 27,426.80 and 10,922.76 is: 15,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.45 : 27,426.80 = 10,922.76 : x
  2. Step 2: Convert to fraction form
    19,875.45/27,426.80 = 10,922.76/x
  3. Step 3: Cross multiply
    19,875.45x = 27,426.80 × 10,922.76
  4. Step 4: Simplify right side
    19,875.45x = 299,576,299.35
  5. Step 5: Solve for x
    x = 299,576,299.35/19,875.45
  6. Step 6: Final answer
    x = 15,072.68

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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.