Home / 28,346.04-42,525.54-8,627.40

Finding the Fourth Proportional to 28,346.04, 42,525.54 and 8,627.40

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Solution

The fourth proportional to 28,346.04, 42,525.54 and 8,627.40 is: 12,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.04 : 42,525.54 = 8,627.40 : x
  2. Step 2: Convert to fraction form
    28,346.04/42,525.54 = 8,627.40/x
  3. Step 3: Cross multiply
    28,346.04x = 42,525.54 × 8,627.40
  4. Step 4: Simplify right side
    28,346.04x = 366,884,843.80
  5. Step 5: Solve for x
    x = 366,884,843.80/28,346.04
  6. Step 6: Final answer
    x = 12,943.07

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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.