Home / 25,391.61-35,017.47-16,429.77

Finding the Fourth Proportional to 25,391.61, 35,017.47 and 16,429.77

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Solution

The fourth proportional to 25,391.61, 35,017.47 and 16,429.77 is: 22,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.61 : 35,017.47 = 16,429.77 : x
  2. Step 2: Convert to fraction form
    25,391.61/35,017.47 = 16,429.77/x
  3. Step 3: Cross multiply
    25,391.61x = 35,017.47 × 16,429.77
  4. Step 4: Simplify right side
    25,391.61x = 575,328,978.08
  5. Step 5: Solve for x
    x = 575,328,978.08/25,391.61
  6. Step 6: Final answer
    x = 22,658.23

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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.