Home / 28,313.20-42,469.80-26,952.40

Finding the Fourth Proportional to 28,313.20, 42,469.80 and 26,952.40

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Solution

The fourth proportional to 28,313.20, 42,469.80 and 26,952.40 is: 40,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.20 : 42,469.80 = 26,952.40 : x
  2. Step 2: Convert to fraction form
    28,313.20/42,469.80 = 26,952.40/x
  3. Step 3: Cross multiply
    28,313.20x = 42,469.80 × 26,952.40
  4. Step 4: Simplify right side
    28,313.20x = 1,144,663,037.52
  5. Step 5: Solve for x
    x = 1,144,663,037.52/28,313.20
  6. Step 6: Final answer
    x = 40,428.60

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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.