Home / 25,683.90-35,461.25-16,631.15

Finding the Fourth Proportional to 25,683.90, 35,461.25 and 16,631.15

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Solution

The fourth proportional to 25,683.90, 35,461.25 and 16,631.15 is: 22,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.90 : 35,461.25 = 16,631.15 : x
  2. Step 2: Convert to fraction form
    25,683.90/35,461.25 = 16,631.15/x
  3. Step 3: Cross multiply
    25,683.90x = 35,461.25 × 16,631.15
  4. Step 4: Simplify right side
    25,683.90x = 589,761,107.48
  5. Step 5: Solve for x
    x = 589,761,107.48/25,683.90
  6. Step 6: Final answer
    x = 22,962.29

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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.