Home / 28,068.04-42,098.70-21,834.28

Finding the Fourth Proportional to 28,068.04, 42,098.70 and 21,834.28

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Solution

The fourth proportional to 28,068.04, 42,098.70 and 21,834.28 is: 32,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.04 : 42,098.70 = 21,834.28 : x
  2. Step 2: Convert to fraction form
    28,068.04/42,098.70 = 21,834.28/x
  3. Step 3: Cross multiply
    28,068.04x = 42,098.70 × 21,834.28
  4. Step 4: Simplify right side
    28,068.04x = 919,194,803.44
  5. Step 5: Solve for x
    x = 919,194,803.44/28,068.04
  6. Step 6: Final answer
    x = 32,748.81

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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.