Home / 28,948.79-39,936.65-17,006.74

Finding the Fourth Proportional to 28,948.79, 39,936.65 and 17,006.74

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Solution

The fourth proportional to 28,948.79, 39,936.65 and 17,006.74 is: 23,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.79 : 39,936.65 = 17,006.74 : x
  2. Step 2: Convert to fraction form
    28,948.79/39,936.65 = 17,006.74/x
  3. Step 3: Cross multiply
    28,948.79x = 39,936.65 × 17,006.74
  4. Step 4: Simplify right side
    28,948.79x = 679,192,223.02
  5. Step 5: Solve for x
    x = 679,192,223.02/28,948.79
  6. Step 6: Final answer
    x = 23,461.85

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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.