Home / 28,361.29-42,568.22-14,331.18

Finding the Fourth Proportional to 28,361.29, 42,568.22 and 14,331.18

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Solution

The fourth proportional to 28,361.29, 42,568.22 and 14,331.18 is: 21,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.29 : 42,568.22 = 14,331.18 : x
  2. Step 2: Convert to fraction form
    28,361.29/42,568.22 = 14,331.18/x
  3. Step 3: Cross multiply
    28,361.29x = 42,568.22 × 14,331.18
  4. Step 4: Simplify right side
    28,361.29x = 610,052,823.10
  5. Step 5: Solve for x
    x = 610,052,823.10/28,361.29
  6. Step 6: Final answer
    x = 21,510.05

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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.