Home / 23,985.60-35,988.74-12,879.30

Finding the Fourth Proportional to 23,985.60, 35,988.74 and 12,879.30

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Solution

The fourth proportional to 23,985.60, 35,988.74 and 12,879.30 is: 19,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.60 : 35,988.74 = 12,879.30 : x
  2. Step 2: Convert to fraction form
    23,985.60/35,988.74 = 12,879.30/x
  3. Step 3: Cross multiply
    23,985.60x = 35,988.74 × 12,879.30
  4. Step 4: Simplify right side
    23,985.60x = 463,509,779.08
  5. Step 5: Solve for x
    x = 463,509,779.08/23,985.60
  6. Step 6: Final answer
    x = 19,324.50

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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.