Home / 39,827.60-59,669.40-19,005.20

Finding the Fourth Proportional to 39,827.60, 59,669.40 and 19,005.20

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Solution

The fourth proportional to 39,827.60, 59,669.40 and 19,005.20 is: 28,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.60 : 59,669.40 = 19,005.20 : x
  2. Step 2: Convert to fraction form
    39,827.60/59,669.40 = 19,005.20/x
  3. Step 3: Cross multiply
    39,827.60x = 59,669.40 × 19,005.20
  4. Step 4: Simplify right side
    39,827.60x = 1,134,028,880.88
  5. Step 5: Solve for x
    x = 1,134,028,880.88/39,827.60
  6. Step 6: Final answer
    x = 28,473.44

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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.