Home / 28,256.64-42,355.38-9,530.22

Finding the Fourth Proportional to 28,256.64, 42,355.38 and 9,530.22

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Solution

The fourth proportional to 28,256.64, 42,355.38 and 9,530.22 is: 14,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.64 : 42,355.38 = 9,530.22 : x
  2. Step 2: Convert to fraction form
    28,256.64/42,355.38 = 9,530.22/x
  3. Step 3: Cross multiply
    28,256.64x = 42,355.38 × 9,530.22
  4. Step 4: Simplify right side
    28,256.64x = 403,656,089.58
  5. Step 5: Solve for x
    x = 403,656,089.58/28,256.64
  6. Step 6: Final answer
    x = 14,285.35

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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.