Home / 23,501.06-32,430.90-12,890.60

Finding the Fourth Proportional to 23,501.06, 32,430.90 and 12,890.60

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Solution

The fourth proportional to 23,501.06, 32,430.90 and 12,890.60 is: 17,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,501.06 : 32,430.90 = 12,890.60 : x
  2. Step 2: Convert to fraction form
    23,501.06/32,430.90 = 12,890.60/x
  3. Step 3: Cross multiply
    23,501.06x = 32,430.90 × 12,890.60
  4. Step 4: Simplify right side
    23,501.06x = 418,053,532.93
  5. Step 5: Solve for x
    x = 418,053,532.93/23,501.06
  6. Step 6: Final answer
    x = 17,788.71

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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.