Home / 39,486.60-59,228.64-15,782.40

Finding the Fourth Proportional to 39,486.60, 59,228.64 and 15,782.40

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Solution

The fourth proportional to 39,486.60, 59,228.64 and 15,782.40 is: 23,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.60 : 59,228.64 = 15,782.40 : x
  2. Step 2: Convert to fraction form
    39,486.60/59,228.64 = 15,782.40/x
  3. Step 3: Cross multiply
    39,486.60x = 59,228.64 × 15,782.40
  4. Step 4: Simplify right side
    39,486.60x = 934,770,087.94
  5. Step 5: Solve for x
    x = 934,770,087.94/39,486.60
  6. Step 6: Final answer
    x = 23,673.10

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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.