Home / 28,920.70-43,348.65-14,875.30

Finding the Fourth Proportional to 28,920.70, 43,348.65 and 14,875.30

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Solution

The fourth proportional to 28,920.70, 43,348.65 and 14,875.30 is: 22,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920.70 : 43,348.65 = 14,875.30 : x
  2. Step 2: Convert to fraction form
    28,920.70/43,348.65 = 14,875.30/x
  3. Step 3: Cross multiply
    28,920.70x = 43,348.65 × 14,875.30
  4. Step 4: Simplify right side
    28,920.70x = 644,824,173.35
  5. Step 5: Solve for x
    x = 644,824,173.35/28,920.70
  6. Step 6: Final answer
    x = 22,296.29

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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.