Home / 28,573.36-42,862.10-9,853.13

Finding the Fourth Proportional to 28,573.36, 42,862.10 and 9,853.13

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Solution

The fourth proportional to 28,573.36, 42,862.10 and 9,853.13 is: 14,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.36 : 42,862.10 = 9,853.13 : x
  2. Step 2: Convert to fraction form
    28,573.36/42,862.10 = 9,853.13/x
  3. Step 3: Cross multiply
    28,573.36x = 42,862.10 × 9,853.13
  4. Step 4: Simplify right side
    28,573.36x = 422,325,726.15
  5. Step 5: Solve for x
    x = 422,325,726.15/28,573.36
  6. Step 6: Final answer
    x = 14,780.40

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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.