Home / 28,449.33-42,670.63-17,888.16

Finding the Fourth Proportional to 28,449.33, 42,670.63 and 17,888.16

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Solution

The fourth proportional to 28,449.33, 42,670.63 and 17,888.16 is: 26,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.33 : 42,670.63 = 17,888.16 : x
  2. Step 2: Convert to fraction form
    28,449.33/42,670.63 = 17,888.16/x
  3. Step 3: Cross multiply
    28,449.33x = 42,670.63 × 17,888.16
  4. Step 4: Simplify right side
    28,449.33x = 763,299,056.74
  5. Step 5: Solve for x
    x = 763,299,056.74/28,449.33
  6. Step 6: Final answer
    x = 26,830.12

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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.