Home / 28,398.42-42,595.74-11,754.18

Finding the Fourth Proportional to 28,398.42, 42,595.74 and 11,754.18

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Solution

The fourth proportional to 28,398.42, 42,595.74 and 11,754.18 is: 17,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.42 : 42,595.74 = 11,754.18 : x
  2. Step 2: Convert to fraction form
    28,398.42/42,595.74 = 11,754.18/x
  3. Step 3: Cross multiply
    28,398.42x = 42,595.74 × 11,754.18
  4. Step 4: Simplify right side
    28,398.42x = 500,677,995.19
  5. Step 5: Solve for x
    x = 500,677,995.19/28,398.42
  6. Step 6: Final answer
    x = 17,630.49

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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.