Home / 27,368.68-37,772.36-15,435.76

Finding the Fourth Proportional to 27,368.68, 37,772.36 and 15,435.76

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Solution

The fourth proportional to 27,368.68, 37,772.36 and 15,435.76 is: 21,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,368.68 : 37,772.36 = 15,435.76 : x
  2. Step 2: Convert to fraction form
    27,368.68/37,772.36 = 15,435.76/x
  3. Step 3: Cross multiply
    27,368.68x = 37,772.36 × 15,435.76
  4. Step 4: Simplify right side
    27,368.68x = 583,045,083.59
  5. Step 5: Solve for x
    x = 583,045,083.59/27,368.68
  6. Step 6: Final answer
    x = 21,303.37

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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.