Home / 28,693.47-43,037.76-9,968.70

Finding the Fourth Proportional to 28,693.47, 43,037.76 and 9,968.70

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Solution

The fourth proportional to 28,693.47, 43,037.76 and 9,968.70 is: 14,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.47 : 43,037.76 = 9,968.70 : x
  2. Step 2: Convert to fraction form
    28,693.47/43,037.76 = 9,968.70/x
  3. Step 3: Cross multiply
    28,693.47x = 43,037.76 × 9,968.70
  4. Step 4: Simplify right side
    28,693.47x = 429,030,518.11
  5. Step 5: Solve for x
    x = 429,030,518.11/28,693.47
  6. Step 6: Final answer
    x = 14,952.20

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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.