Home / 25,378.18-35,021.39-14,047.67

Finding the Fourth Proportional to 25,378.18, 35,021.39 and 14,047.67

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Solution

The fourth proportional to 25,378.18, 35,021.39 and 14,047.67 is: 19,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.18 : 35,021.39 = 14,047.67 : x
  2. Step 2: Convert to fraction form
    25,378.18/35,021.39 = 14,047.67/x
  3. Step 3: Cross multiply
    25,378.18x = 35,021.39 × 14,047.67
  4. Step 4: Simplify right side
    25,378.18x = 491,968,946.98
  5. Step 5: Solve for x
    x = 491,968,946.98/25,378.18
  6. Step 6: Final answer
    x = 19,385.51

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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.