Home / 28,348.18-42,522.23-9,630.16

Finding the Fourth Proportional to 28,348.18, 42,522.23 and 9,630.16

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Solution

The fourth proportional to 28,348.18, 42,522.23 and 9,630.16 is: 14,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.18 : 42,522.23 = 9,630.16 : x
  2. Step 2: Convert to fraction form
    28,348.18/42,522.23 = 9,630.16/x
  3. Step 3: Cross multiply
    28,348.18x = 42,522.23 × 9,630.16
  4. Step 4: Simplify right side
    28,348.18x = 409,495,796.23
  5. Step 5: Solve for x
    x = 409,495,796.23/28,348.18
  6. Step 6: Final answer
    x = 14,445.22

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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.