Home / 25,605.61-35,325.93-18,907.18

Finding the Fourth Proportional to 25,605.61, 35,325.93 and 18,907.18

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Solution

The fourth proportional to 25,605.61, 35,325.93 and 18,907.18 is: 26,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.61 : 35,325.93 = 18,907.18 : x
  2. Step 2: Convert to fraction form
    25,605.61/35,325.93 = 18,907.18/x
  3. Step 3: Cross multiply
    25,605.61x = 35,325.93 × 18,907.18
  4. Step 4: Simplify right side
    25,605.61x = 667,913,717.18
  5. Step 5: Solve for x
    x = 667,913,717.18/25,605.61
  6. Step 6: Final answer
    x = 26,084.66

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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.