Home / 28,298.79-39,036.06-17,669.97

Finding the Fourth Proportional to 28,298.79, 39,036.06 and 17,669.97

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Solution

The fourth proportional to 28,298.79, 39,036.06 and 17,669.97 is: 24,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.79 : 39,036.06 = 17,669.97 : x
  2. Step 2: Convert to fraction form
    28,298.79/39,036.06 = 17,669.97/x
  3. Step 3: Cross multiply
    28,298.79x = 39,036.06 × 17,669.97
  4. Step 4: Simplify right side
    28,298.79x = 689,766,009.12
  5. Step 5: Solve for x
    x = 689,766,009.12/28,298.79
  6. Step 6: Final answer
    x = 24,374.40

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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.