Home / 28,531.71-39,364.13-16,585.22

Finding the Fourth Proportional to 28,531.71, 39,364.13 and 16,585.22

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Solution

The fourth proportional to 28,531.71, 39,364.13 and 16,585.22 is: 22,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531.71 : 39,364.13 = 16,585.22 : x
  2. Step 2: Convert to fraction form
    28,531.71/39,364.13 = 16,585.22/x
  3. Step 3: Cross multiply
    28,531.71x = 39,364.13 × 16,585.22
  4. Step 4: Simplify right side
    28,531.71x = 652,862,896.03
  5. Step 5: Solve for x
    x = 652,862,896.03/28,531.71
  6. Step 6: Final answer
    x = 22,882.01

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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.