Home / 28,259.64-42,359.88-9,533.22

Finding the Fourth Proportional to 28,259.64, 42,359.88 and 9,533.22

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Solution

The fourth proportional to 28,259.64, 42,359.88 and 9,533.22 is: 14,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.64 : 42,359.88 = 9,533.22 : x
  2. Step 2: Convert to fraction form
    28,259.64/42,359.88 = 9,533.22/x
  3. Step 3: Cross multiply
    28,259.64x = 42,359.88 × 9,533.22
  4. Step 4: Simplify right side
    28,259.64x = 403,826,055.21
  5. Step 5: Solve for x
    x = 403,826,055.21/28,259.64
  6. Step 6: Final answer
    x = 14,289.85

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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.