Home / 28,569.15-42,854.94-8,848.08

Finding the Fourth Proportional to 28,569.15, 42,854.94 and 8,848.08

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Solution

The fourth proportional to 28,569.15, 42,854.94 and 8,848.08 is: 13,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.15 : 42,854.94 = 8,848.08 : x
  2. Step 2: Convert to fraction form
    28,569.15/42,854.94 = 8,848.08/x
  3. Step 3: Cross multiply
    28,569.15x = 42,854.94 × 8,848.08
  4. Step 4: Simplify right side
    28,569.15x = 379,183,937.52
  5. Step 5: Solve for x
    x = 379,183,937.52/28,569.15
  6. Step 6: Final answer
    x = 13,272.50

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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.