Home / 28,557.04-42,835.56-8,835.77

Finding the Fourth Proportional to 28,557.04, 42,835.56 and 8,835.77

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Solution

The fourth proportional to 28,557.04, 42,835.56 and 8,835.77 is: 13,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.04 : 42,835.56 = 8,835.77 : x
  2. Step 2: Convert to fraction form
    28,557.04/42,835.56 = 8,835.77/x
  3. Step 3: Cross multiply
    28,557.04x = 42,835.56 × 8,835.77
  4. Step 4: Simplify right side
    28,557.04x = 378,485,155.98
  5. Step 5: Solve for x
    x = 378,485,155.98/28,557.04
  6. Step 6: Final answer
    x = 13,253.66

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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.