Home / 28,925.58-43,386.53-9,218.28

Finding the Fourth Proportional to 28,925.58, 43,386.53 and 9,218.28

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Solution

The fourth proportional to 28,925.58, 43,386.53 and 9,218.28 is: 13,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.58 : 43,386.53 = 9,218.28 : x
  2. Step 2: Convert to fraction form
    28,925.58/43,386.53 = 9,218.28/x
  3. Step 3: Cross multiply
    28,925.58x = 43,386.53 × 9,218.28
  4. Step 4: Simplify right side
    28,925.58x = 399,949,181.77
  5. Step 5: Solve for x
    x = 399,949,181.77/28,925.58
  6. Step 6: Final answer
    x = 13,826.83

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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.