Home / 28,575.36-42,828.48-14,716.80

Finding the Fourth Proportional to 28,575.36, 42,828.48 and 14,716.80

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Solution

The fourth proportional to 28,575.36, 42,828.48 and 14,716.80 is: 22,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.36 : 42,828.48 = 14,716.80 : x
  2. Step 2: Convert to fraction form
    28,575.36/42,828.48 = 14,716.80/x
  3. Step 3: Cross multiply
    28,575.36x = 42,828.48 × 14,716.80
  4. Step 4: Simplify right side
    28,575.36x = 630,298,174.46
  5. Step 5: Solve for x
    x = 630,298,174.46/28,575.36
  6. Step 6: Final answer
    x = 22,057.40

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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.