Home / 21,484.36-32,250.09-17,070.40

Finding the Fourth Proportional to 21,484.36, 32,250.09 and 17,070.40

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Solution

The fourth proportional to 21,484.36, 32,250.09 and 17,070.40 is: 25,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.36 : 32,250.09 = 17,070.40 : x
  2. Step 2: Convert to fraction form
    21,484.36/32,250.09 = 17,070.40/x
  3. Step 3: Cross multiply
    21,484.36x = 32,250.09 × 17,070.40
  4. Step 4: Simplify right side
    21,484.36x = 550,521,936.34
  5. Step 5: Solve for x
    x = 550,521,936.34/21,484.36
  6. Step 6: Final answer
    x = 25,624.31

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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.