Home / 28,502.43-42,754.51-9,782.20

Finding the Fourth Proportional to 28,502.43, 42,754.51 and 9,782.20

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Solution

The fourth proportional to 28,502.43, 42,754.51 and 9,782.20 is: 14,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.43 : 42,754.51 = 9,782.20 : x
  2. Step 2: Convert to fraction form
    28,502.43/42,754.51 = 9,782.20/x
  3. Step 3: Cross multiply
    28,502.43x = 42,754.51 × 9,782.20
  4. Step 4: Simplify right side
    28,502.43x = 418,233,167.72
  5. Step 5: Solve for x
    x = 418,233,167.72/28,502.43
  6. Step 6: Final answer
    x = 14,673.60

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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.