Home / 25,368.79-38,048.73-7,838.77

Finding the Fourth Proportional to 25,368.79, 38,048.73 and 7,838.77

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Solution

The fourth proportional to 25,368.79, 38,048.73 and 7,838.77 is: 11,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.79 : 38,048.73 = 7,838.77 : x
  2. Step 2: Convert to fraction form
    25,368.79/38,048.73 = 7,838.77/x
  3. Step 3: Cross multiply
    25,368.79x = 38,048.73 × 7,838.77
  4. Step 4: Simplify right side
    25,368.79x = 298,255,367.78
  5. Step 5: Solve for x
    x = 298,255,367.78/25,368.79
  6. Step 6: Final answer
    x = 11,756.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.