Home / 28,484.79-39,305.62-17,154.10

Finding the Fourth Proportional to 28,484.79, 39,305.62 and 17,154.10

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Solution

The fourth proportional to 28,484.79, 39,305.62 and 17,154.10 is: 23,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.79 : 39,305.62 = 17,154.10 : x
  2. Step 2: Convert to fraction form
    28,484.79/39,305.62 = 17,154.10/x
  3. Step 3: Cross multiply
    28,484.79x = 39,305.62 × 17,154.10
  4. Step 4: Simplify right side
    28,484.79x = 674,252,536.04
  5. Step 5: Solve for x
    x = 674,252,536.04/28,484.79
  6. Step 6: Final answer
    x = 23,670.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.