Home / 25,355.85-34,979.29-16,406.25

Finding the Fourth Proportional to 25,355.85, 34,979.29 and 16,406.25

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Solution

The fourth proportional to 25,355.85, 34,979.29 and 16,406.25 is: 22,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.85 : 34,979.29 = 16,406.25 : x
  2. Step 2: Convert to fraction form
    25,355.85/34,979.29 = 16,406.25/x
  3. Step 3: Cross multiply
    25,355.85x = 34,979.29 × 16,406.25
  4. Step 4: Simplify right side
    25,355.85x = 573,878,896.66
  5. Step 5: Solve for x
    x = 573,878,896.66/25,355.85
  6. Step 6: Final answer
    x = 22,633.00

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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.