Home / 28,203.37-42,275.28-9,465.64

Finding the Fourth Proportional to 28,203.37, 42,275.28 and 9,465.64

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Solution

The fourth proportional to 28,203.37, 42,275.28 and 9,465.64 is: 14,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.37 : 42,275.28 = 9,465.64 : x
  2. Step 2: Convert to fraction form
    28,203.37/42,275.28 = 9,465.64/x
  3. Step 3: Cross multiply
    28,203.37x = 42,275.28 × 9,465.64
  4. Step 4: Simplify right side
    28,203.37x = 400,162,581.38
  5. Step 5: Solve for x
    x = 400,162,581.38/28,203.37
  6. Step 6: Final answer
    x = 14,188.47

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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.