Home / 28,117.56-42,176.34-7,341.08

Finding the Fourth Proportional to 28,117.56, 42,176.34 and 7,341.08

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Solution

The fourth proportional to 28,117.56, 42,176.34 and 7,341.08 is: 11,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.56 : 42,176.34 = 7,341.08 : x
  2. Step 2: Convert to fraction form
    28,117.56/42,176.34 = 7,341.08/x
  3. Step 3: Cross multiply
    28,117.56x = 42,176.34 × 7,341.08
  4. Step 4: Simplify right side
    28,117.56x = 309,619,886.05
  5. Step 5: Solve for x
    x = 309,619,886.05/28,117.56
  6. Step 6: Final answer
    x = 11,011.62

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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.