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Finding the Fourth Proportional to 17,031.76, 25,547.65 and 7,670.01

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Solution

The fourth proportional to 17,031.76, 25,547.65 and 7,670.01 is: 11,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.76 : 25,547.65 = 7,670.01 : x
  2. Step 2: Convert to fraction form
    17,031.76/25,547.65 = 7,670.01/x
  3. Step 3: Cross multiply
    17,031.76x = 25,547.65 × 7,670.01
  4. Step 4: Simplify right side
    17,031.76x = 195,950,730.98
  5. Step 5: Solve for x
    x = 195,950,730.98/17,031.76
  6. Step 6: Final answer
    x = 11,505.02

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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.