Home / 28,996.71-40,038.08-22,271.69

Finding the Fourth Proportional to 28,996.71, 40,038.08 and 22,271.69

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Solution

The fourth proportional to 28,996.71, 40,038.08 and 22,271.69 is: 30,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.71 : 40,038.08 = 22,271.69 : x
  2. Step 2: Convert to fraction form
    28,996.71/40,038.08 = 22,271.69/x
  3. Step 3: Cross multiply
    28,996.71x = 40,038.08 × 22,271.69
  4. Step 4: Simplify right side
    28,996.71x = 891,715,394.41
  5. Step 5: Solve for x
    x = 891,715,394.41/28,996.71
  6. Step 6: Final answer
    x = 30,752.30

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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.