Home / 26,586.04-39,818.61-20,615.08

Finding the Fourth Proportional to 26,586.04, 39,818.61 and 20,615.08

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Solution

The fourth proportional to 26,586.04, 39,818.61 and 20,615.08 is: 30,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.04 : 39,818.61 = 20,615.08 : x
  2. Step 2: Convert to fraction form
    26,586.04/39,818.61 = 20,615.08/x
  3. Step 3: Cross multiply
    26,586.04x = 39,818.61 × 20,615.08
  4. Step 4: Simplify right side
    26,586.04x = 820,863,830.64
  5. Step 5: Solve for x
    x = 820,863,830.64/26,586.04
  6. Step 6: Final answer
    x = 30,875.75

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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.