Home / 25,661.90-35,413.25-14,330.72

Finding the Fourth Proportional to 25,661.90, 35,413.25 and 14,330.72

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Solution

The fourth proportional to 25,661.90, 35,413.25 and 14,330.72 is: 19,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.90 : 35,413.25 = 14,330.72 : x
  2. Step 2: Convert to fraction form
    25,661.90/35,413.25 = 14,330.72/x
  3. Step 3: Cross multiply
    25,661.90x = 35,413.25 × 14,330.72
  4. Step 4: Simplify right side
    25,661.90x = 507,497,298.39
  5. Step 5: Solve for x
    x = 507,497,298.39/25,661.90
  6. Step 6: Final answer
    x = 19,776.29

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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.