Home / 28,592.40-42,900.34-11,955.94

Finding the Fourth Proportional to 28,592.40, 42,900.34 and 11,955.94

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Solution

The fourth proportional to 28,592.40, 42,900.34 and 11,955.94 is: 17,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.40 : 42,900.34 = 11,955.94 : x
  2. Step 2: Convert to fraction form
    28,592.40/42,900.34 = 11,955.94/x
  3. Step 3: Cross multiply
    28,592.40x = 42,900.34 × 11,955.94
  4. Step 4: Simplify right side
    28,592.40x = 512,913,891.02
  5. Step 5: Solve for x
    x = 512,913,891.02/28,592.40
  6. Step 6: Final answer
    x = 17,938.82

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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.