Home / 28,848.90-43,277.85-9,125.58

Finding the Fourth Proportional to 28,848.90, 43,277.85 and 9,125.58

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Solution

The fourth proportional to 28,848.90, 43,277.85 and 9,125.58 is: 13,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.90 : 43,277.85 = 9,125.58 : x
  2. Step 2: Convert to fraction form
    28,848.90/43,277.85 = 9,125.58/x
  3. Step 3: Cross multiply
    28,848.90x = 43,277.85 × 9,125.58
  4. Step 4: Simplify right side
    28,848.90x = 394,935,482.40
  5. Step 5: Solve for x
    x = 394,935,482.40/28,848.90
  6. Step 6: Final answer
    x = 13,689.79

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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.