Home / 25,429.74-38,152.89-12,283.62

Finding the Fourth Proportional to 25,429.74, 38,152.89 and 12,283.62

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Solution

The fourth proportional to 25,429.74, 38,152.89 and 12,283.62 is: 18,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.74 : 38,152.89 = 12,283.62 : x
  2. Step 2: Convert to fraction form
    25,429.74/38,152.89 = 12,283.62/x
  3. Step 3: Cross multiply
    25,429.74x = 38,152.89 × 12,283.62
  4. Step 4: Simplify right side
    25,429.74x = 468,655,602.66
  5. Step 5: Solve for x
    x = 468,655,602.66/25,429.74
  6. Step 6: Final answer
    x = 18,429.43

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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.