Home / 35,489.79-53,246.88-15,782.13

Finding the Fourth Proportional to 35,489.79, 53,246.88 and 15,782.13

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Solution

The fourth proportional to 35,489.79, 53,246.88 and 15,782.13 is: 23,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.79 : 53,246.88 = 15,782.13 : x
  2. Step 2: Convert to fraction form
    35,489.79/53,246.88 = 15,782.13/x
  3. Step 3: Cross multiply
    35,489.79x = 53,246.88 × 15,782.13
  4. Step 4: Simplify right side
    35,489.79x = 840,349,182.25
  5. Step 5: Solve for x
    x = 840,349,182.25/35,489.79
  6. Step 6: Final answer
    x = 23,678.62

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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.