Home / 28,987.20-43,533.60-17,323.20

Finding the Fourth Proportional to 28,987.20, 43,533.60 and 17,323.20

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Solution

The fourth proportional to 28,987.20, 43,533.60 and 17,323.20 is: 26,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.20 : 43,533.60 = 17,323.20 : x
  2. Step 2: Convert to fraction form
    28,987.20/43,533.60 = 17,323.20/x
  3. Step 3: Cross multiply
    28,987.20x = 43,533.60 × 17,323.20
  4. Step 4: Simplify right side
    28,987.20x = 754,141,259.52
  5. Step 5: Solve for x
    x = 754,141,259.52/28,987.20
  6. Step 6: Final answer
    x = 26,016.35

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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.