Home / 28,563.40-42,857.36-11,045.52

Finding the Fourth Proportional to 28,563.40, 42,857.36 and 11,045.52

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Solution

The fourth proportional to 28,563.40, 42,857.36 and 11,045.52 is: 16,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.40 : 42,857.36 = 11,045.52 : x
  2. Step 2: Convert to fraction form
    28,563.40/42,857.36 = 11,045.52/x
  3. Step 3: Cross multiply
    28,563.40x = 42,857.36 × 11,045.52
  4. Step 4: Simplify right side
    28,563.40x = 473,381,827.03
  5. Step 5: Solve for x
    x = 473,381,827.03/28,563.40
  6. Step 6: Final answer
    x = 16,573.02

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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.