Home / 28,329.20-42,492.45-9,607.40

Finding the Fourth Proportional to 28,329.20, 42,492.45 and 9,607.40

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Solution

The fourth proportional to 28,329.20, 42,492.45 and 9,607.40 is: 14,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.20 : 42,492.45 = 9,607.40 : x
  2. Step 2: Convert to fraction form
    28,329.20/42,492.45 = 9,607.40/x
  3. Step 3: Cross multiply
    28,329.20x = 42,492.45 × 9,607.40
  4. Step 4: Simplify right side
    28,329.20x = 408,241,964.13
  5. Step 5: Solve for x
    x = 408,241,964.13/28,329.20
  6. Step 6: Final answer
    x = 14,410.64

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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.