Home / 28,180.13-42,276.67-9,712.13

Finding the Fourth Proportional to 28,180.13, 42,276.67 and 9,712.13

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Solution

The fourth proportional to 28,180.13, 42,276.67 and 9,712.13 is: 14,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.13 : 42,276.67 = 9,712.13 : x
  2. Step 2: Convert to fraction form
    28,180.13/42,276.67 = 9,712.13/x
  3. Step 3: Cross multiply
    28,180.13x = 42,276.67 × 9,712.13
  4. Step 4: Simplify right side
    28,180.13x = 410,596,279.34
  5. Step 5: Solve for x
    x = 410,596,279.34/28,180.13
  6. Step 6: Final answer
    x = 14,570.42

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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.