Home / 23,421.56-32,331.36-15,878.22

Finding the Fourth Proportional to 23,421.56, 32,331.36 and 15,878.22

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Solution

The fourth proportional to 23,421.56, 32,331.36 and 15,878.22 is: 21,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.56 : 32,331.36 = 15,878.22 : x
  2. Step 2: Convert to fraction form
    23,421.56/32,331.36 = 15,878.22/x
  3. Step 3: Cross multiply
    23,421.56x = 32,331.36 × 15,878.22
  4. Step 4: Simplify right side
    23,421.56x = 513,364,446.98
  5. Step 5: Solve for x
    x = 513,364,446.98/23,421.56
  6. Step 6: Final answer
    x = 21,918.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.