Home / 28,445.40-42,657.30-9,466.43

Finding the Fourth Proportional to 28,445.40, 42,657.30 and 9,466.43

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Solution

The fourth proportional to 28,445.40, 42,657.30 and 9,466.43 is: 14,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.40 : 42,657.30 = 9,466.43 : x
  2. Step 2: Convert to fraction form
    28,445.40/42,657.30 = 9,466.43/x
  3. Step 3: Cross multiply
    28,445.40x = 42,657.30 × 9,466.43
  4. Step 4: Simplify right side
    28,445.40x = 403,812,131.15
  5. Step 5: Solve for x
    x = 403,812,131.15/28,445.40
  6. Step 6: Final answer
    x = 14,196.04

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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.