Home / 28,228.37-42,349.01-9,507.92

Finding the Fourth Proportional to 28,228.37, 42,349.01 and 9,507.92

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Solution

The fourth proportional to 28,228.37, 42,349.01 and 9,507.92 is: 14,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.37 : 42,349.01 = 9,507.92 : x
  2. Step 2: Convert to fraction form
    28,228.37/42,349.01 = 9,507.92/x
  3. Step 3: Cross multiply
    28,228.37x = 42,349.01 × 9,507.92
  4. Step 4: Simplify right side
    28,228.37x = 402,650,739.87
  5. Step 5: Solve for x
    x = 402,650,739.87/28,228.37
  6. Step 6: Final answer
    x = 14,264.05

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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.