Home / 28,264.41-39,005.03-17,660.19

Finding the Fourth Proportional to 28,264.41, 39,005.03 and 17,660.19

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Solution

The fourth proportional to 28,264.41, 39,005.03 and 17,660.19 is: 24,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.41 : 39,005.03 = 17,660.19 : x
  2. Step 2: Convert to fraction form
    28,264.41/39,005.03 = 17,660.19/x
  3. Step 3: Cross multiply
    28,264.41x = 39,005.03 × 17,660.19
  4. Step 4: Simplify right side
    28,264.41x = 688,836,240.76
  5. Step 5: Solve for x
    x = 688,836,240.76/28,264.41
  6. Step 6: Final answer
    x = 24,371.15

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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.