Home / 39,238.24-58,856.80-15,858.40

Finding the Fourth Proportional to 39,238.24, 58,856.80 and 15,858.40

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Solution

The fourth proportional to 39,238.24, 58,856.80 and 15,858.40 is: 23,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.24 : 58,856.80 = 15,858.40 : x
  2. Step 2: Convert to fraction form
    39,238.24/58,856.80 = 15,858.40/x
  3. Step 3: Cross multiply
    39,238.24x = 58,856.80 × 15,858.40
  4. Step 4: Simplify right side
    39,238.24x = 933,374,677.12
  5. Step 5: Solve for x
    x = 933,374,677.12/39,238.24
  6. Step 6: Final answer
    x = 23,787.37

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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.