Home / 25,969.86-35,838.18-14,639.40

Finding the Fourth Proportional to 25,969.86, 35,838.18 and 14,639.40

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Solution

The fourth proportional to 25,969.86, 35,838.18 and 14,639.40 is: 20,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.86 : 35,838.18 = 14,639.40 : x
  2. Step 2: Convert to fraction form
    25,969.86/35,838.18 = 14,639.40/x
  3. Step 3: Cross multiply
    25,969.86x = 35,838.18 × 14,639.40
  4. Step 4: Simplify right side
    25,969.86x = 524,649,452.29
  5. Step 5: Solve for x
    x = 524,649,452.29/25,969.86
  6. Step 6: Final answer
    x = 20,202.24

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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.