Home / 22,575.18-31,153.32-12,503.40

Finding the Fourth Proportional to 22,575.18, 31,153.32 and 12,503.40

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Solution

The fourth proportional to 22,575.18, 31,153.32 and 12,503.40 is: 17,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.18 : 31,153.32 = 12,503.40 : x
  2. Step 2: Convert to fraction form
    22,575.18/31,153.32 = 12,503.40/x
  3. Step 3: Cross multiply
    22,575.18x = 31,153.32 × 12,503.40
  4. Step 4: Simplify right side
    22,575.18x = 389,522,421.29
  5. Step 5: Solve for x
    x = 389,522,421.29/22,575.18
  6. Step 6: Final answer
    x = 17,254.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.