Home / 35,427.21-48,889.88-19,511.72

Finding the Fourth Proportional to 35,427.21, 48,889.88 and 19,511.72

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Solution

The fourth proportional to 35,427.21, 48,889.88 and 19,511.72 is: 26,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.21 : 48,889.88 = 19,511.72 : x
  2. Step 2: Convert to fraction form
    35,427.21/48,889.88 = 19,511.72/x
  3. Step 3: Cross multiply
    35,427.21x = 48,889.88 × 19,511.72
  4. Step 4: Simplify right side
    35,427.21x = 953,925,307.39
  5. Step 5: Solve for x
    x = 953,925,307.39/35,427.21
  6. Step 6: Final answer
    x = 26,926.35

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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.