Home / 27,586.86-38,070.60-15,651.98

Finding the Fourth Proportional to 27,586.86, 38,070.60 and 15,651.98

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Solution

The fourth proportional to 27,586.86, 38,070.60 and 15,651.98 is: 21,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.86 : 38,070.60 = 15,651.98 : x
  2. Step 2: Convert to fraction form
    27,586.86/38,070.60 = 15,651.98/x
  3. Step 3: Cross multiply
    27,586.86x = 38,070.60 × 15,651.98
  4. Step 4: Simplify right side
    27,586.86x = 595,880,269.79
  5. Step 5: Solve for x
    x = 595,880,269.79/27,586.86
  6. Step 6: Final answer
    x = 21,600.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.