Home / 57,492.81-86,252.16-17,515.35

Finding the Fourth Proportional to 57,492.81, 86,252.16 and 17,515.35

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Solution

The fourth proportional to 57,492.81, 86,252.16 and 17,515.35 is: 26,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492.81 : 86,252.16 = 17,515.35 : x
  2. Step 2: Convert to fraction form
    57,492.81/86,252.16 = 17,515.35/x
  3. Step 3: Cross multiply
    57,492.81x = 86,252.16 × 17,515.35
  4. Step 4: Simplify right side
    57,492.81x = 1,510,736,770.66
  5. Step 5: Solve for x
    x = 1,510,736,770.66/57,492.81
  6. Step 6: Final answer
    x = 26,276.97

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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.