Home / 25,861.12-35,686.32-14,376.40

Finding the Fourth Proportional to 25,861.12, 35,686.32 and 14,376.40

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Solution

The fourth proportional to 25,861.12, 35,686.32 and 14,376.40 is: 19,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.12 : 35,686.32 = 14,376.40 : x
  2. Step 2: Convert to fraction form
    25,861.12/35,686.32 = 14,376.40/x
  3. Step 3: Cross multiply
    25,861.12x = 35,686.32 × 14,376.40
  4. Step 4: Simplify right side
    25,861.12x = 513,040,810.85
  5. Step 5: Solve for x
    x = 513,040,810.85/25,861.12
  6. Step 6: Final answer
    x = 19,838.31

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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.