Home / 25,012.79-34,518.76-14,405.84

Finding the Fourth Proportional to 25,012.79, 34,518.76 and 14,405.84

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Solution

The fourth proportional to 25,012.79, 34,518.76 and 14,405.84 is: 19,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.79 : 34,518.76 = 14,405.84 : x
  2. Step 2: Convert to fraction form
    25,012.79/34,518.76 = 14,405.84/x
  3. Step 3: Cross multiply
    25,012.79x = 34,518.76 × 14,405.84
  4. Step 4: Simplify right side
    25,012.79x = 497,271,733.56
  5. Step 5: Solve for x
    x = 497,271,733.56/25,012.79
  6. Step 6: Final answer
    x = 19,880.70

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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.