Home / 34,215.60-51,323.40-28,455.60

Finding the Fourth Proportional to 34,215.60, 51,323.40 and 28,455.60

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Solution

The fourth proportional to 34,215.60, 51,323.40 and 28,455.60 is: 42,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.60 : 51,323.40 = 28,455.60 : x
  2. Step 2: Convert to fraction form
    34,215.60/51,323.40 = 28,455.60/x
  3. Step 3: Cross multiply
    34,215.60x = 51,323.40 × 28,455.60
  4. Step 4: Simplify right side
    34,215.60x = 1,460,438,141.04
  5. Step 5: Solve for x
    x = 1,460,438,141.04/34,215.60
  6. Step 6: Final answer
    x = 42,683.40

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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.