Home / 16,859.60-25,289.40-15,045.20

Finding the Fourth Proportional to 16,859.60, 25,289.40 and 15,045.20

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Solution

The fourth proportional to 16,859.60, 25,289.40 and 15,045.20 is: 22,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.60 : 25,289.40 = 15,045.20 : x
  2. Step 2: Convert to fraction form
    16,859.60/25,289.40 = 15,045.20/x
  3. Step 3: Cross multiply
    16,859.60x = 25,289.40 × 15,045.20
  4. Step 4: Simplify right side
    16,859.60x = 380,484,080.88
  5. Step 5: Solve for x
    x = 380,484,080.88/16,859.60
  6. Step 6: Final answer
    x = 22,567.80

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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.