Home / 28,853.77-43,287.14-9,133.51

Finding the Fourth Proportional to 28,853.77, 43,287.14 and 9,133.51

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Solution

The fourth proportional to 28,853.77, 43,287.14 and 9,133.51 is: 13,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.77 : 43,287.14 = 9,133.51 : x
  2. Step 2: Convert to fraction form
    28,853.77/43,287.14 = 9,133.51/x
  3. Step 3: Cross multiply
    28,853.77x = 43,287.14 × 9,133.51
  4. Step 4: Simplify right side
    28,853.77x = 395,363,526.06
  5. Step 5: Solve for x
    x = 395,363,526.06/28,853.77
  6. Step 6: Final answer
    x = 13,702.32

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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.