Home / 39,808.40-59,712.60-16,438.16

Finding the Fourth Proportional to 39,808.40, 59,712.60 and 16,438.16

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Solution

The fourth proportional to 39,808.40, 59,712.60 and 16,438.16 is: 24,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.40 : 59,712.60 = 16,438.16 : x
  2. Step 2: Convert to fraction form
    39,808.40/59,712.60 = 16,438.16/x
  3. Step 3: Cross multiply
    39,808.40x = 59,712.60 × 16,438.16
  4. Step 4: Simplify right side
    39,808.40x = 981,565,272.82
  5. Step 5: Solve for x
    x = 981,565,272.82/39,808.40
  6. Step 6: Final answer
    x = 24,657.24

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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.