Home / 25,127.84-37,679.60-8,484.64

Finding the Fourth Proportional to 25,127.84, 37,679.60 and 8,484.64

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Solution

The fourth proportional to 25,127.84, 37,679.60 and 8,484.64 is: 12,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.84 : 37,679.60 = 8,484.64 : x
  2. Step 2: Convert to fraction form
    25,127.84/37,679.60 = 8,484.64/x
  3. Step 3: Cross multiply
    25,127.84x = 37,679.60 × 8,484.64
  4. Step 4: Simplify right side
    25,127.84x = 319,697,841.34
  5. Step 5: Solve for x
    x = 319,697,841.34/25,127.84
  6. Step 6: Final answer
    x = 12,722.85

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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.