Home / 28,283.27-39,022.12-16,342.25

Finding the Fourth Proportional to 28,283.27, 39,022.12 and 16,342.25

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Solution

The fourth proportional to 28,283.27, 39,022.12 and 16,342.25 is: 22,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.27 : 39,022.12 = 16,342.25 : x
  2. Step 2: Convert to fraction form
    28,283.27/39,022.12 = 16,342.25/x
  3. Step 3: Cross multiply
    28,283.27x = 39,022.12 × 16,342.25
  4. Step 4: Simplify right side
    28,283.27x = 637,709,004.60
  5. Step 5: Solve for x
    x = 637,709,004.60/28,283.27
  6. Step 6: Final answer
    x = 22,547.22

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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.