Home / 28,925.74-43,339.08-15,787.33

Finding the Fourth Proportional to 28,925.74, 43,339.08 and 15,787.33

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Solution

The fourth proportional to 28,925.74, 43,339.08 and 15,787.33 is: 23,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.74 : 43,339.08 = 15,787.33 : x
  2. Step 2: Convert to fraction form
    28,925.74/43,339.08 = 15,787.33/x
  3. Step 3: Cross multiply
    28,925.74x = 43,339.08 × 15,787.33
  4. Step 4: Simplify right side
    28,925.74x = 684,208,357.86
  5. Step 5: Solve for x
    x = 684,208,357.86/28,925.74
  6. Step 6: Final answer
    x = 23,653.96

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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.