Home / 28,080.61-42,106.83-9,354.06

Finding the Fourth Proportional to 28,080.61, 42,106.83 and 9,354.06

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Solution

The fourth proportional to 28,080.61, 42,106.83 and 9,354.06 is: 14,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.61 : 42,106.83 = 9,354.06 : x
  2. Step 2: Convert to fraction form
    28,080.61/42,106.83 = 9,354.06/x
  3. Step 3: Cross multiply
    28,080.61x = 42,106.83 × 9,354.06
  4. Step 4: Simplify right side
    28,080.61x = 393,869,779.15
  5. Step 5: Solve for x
    x = 393,869,779.15/28,080.61
  6. Step 6: Final answer
    x = 14,026.40

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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.