Home / 25,635.61-35,376.10-14,880.70

Finding the Fourth Proportional to 25,635.61, 35,376.10 and 14,880.70

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Solution

The fourth proportional to 25,635.61, 35,376.10 and 14,880.70 is: 20,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.61 : 35,376.10 = 14,880.70 : x
  2. Step 2: Convert to fraction form
    25,635.61/35,376.10 = 14,880.70/x
  3. Step 3: Cross multiply
    25,635.61x = 35,376.10 × 14,880.70
  4. Step 4: Simplify right side
    25,635.61x = 526,421,131.27
  5. Step 5: Solve for x
    x = 526,421,131.27/25,635.61
  6. Step 6: Final answer
    x = 20,534.76

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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.