Home / 28,474.89-42,711.27-8,752.93

Finding the Fourth Proportional to 28,474.89, 42,711.27 and 8,752.93

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Solution

The fourth proportional to 28,474.89, 42,711.27 and 8,752.93 is: 13,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.89 : 42,711.27 = 8,752.93 : x
  2. Step 2: Convert to fraction form
    28,474.89/42,711.27 = 8,752.93/x
  3. Step 3: Cross multiply
    28,474.89x = 42,711.27 × 8,752.93
  4. Step 4: Simplify right side
    28,474.89x = 373,848,712.76
  5. Step 5: Solve for x
    x = 373,848,712.76/28,474.89
  6. Step 6: Final answer
    x = 13,129.07

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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.