Home / 28,206.56-42,312.65-10,441.97

Finding the Fourth Proportional to 28,206.56, 42,312.65 and 10,441.97

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Solution

The fourth proportional to 28,206.56, 42,312.65 and 10,441.97 is: 15,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.56 : 42,312.65 = 10,441.97 : x
  2. Step 2: Convert to fraction form
    28,206.56/42,312.65 = 10,441.97/x
  3. Step 3: Cross multiply
    28,206.56x = 42,312.65 × 10,441.97
  4. Step 4: Simplify right side
    28,206.56x = 441,827,158.15
  5. Step 5: Solve for x
    x = 441,827,158.15/28,206.56
  6. Step 6: Final answer
    x = 15,663.99

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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.