Home / 85,328.08-127,977.54-22,984

Finding the Fourth Proportional to 85,328.08, 127,977.54 and 22,984

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Solution

The fourth proportional to 85,328.08, 127,977.54 and 22,984 is: 34,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.08 : 127,977.54 = 22,984 : x
  2. Step 2: Convert to fraction form
    85,328.08/127,977.54 = 22,984/x
  3. Step 3: Cross multiply
    85,328.08x = 127,977.54 × 22,984
  4. Step 4: Simplify right side
    85,328.08x = 2,941,435,779.36
  5. Step 5: Solve for x
    x = 2,941,435,779.36/85,328.08
  6. Step 6: Final answer
    x = 34,472.07

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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.