Home / 28,341.32-42,505.88-11,697.02

Finding the Fourth Proportional to 28,341.32, 42,505.88 and 11,697.02

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Solution

The fourth proportional to 28,341.32, 42,505.88 and 11,697.02 is: 17,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.32 : 42,505.88 = 11,697.02 : x
  2. Step 2: Convert to fraction form
    28,341.32/42,505.88 = 11,697.02/x
  3. Step 3: Cross multiply
    28,341.32x = 42,505.88 × 11,697.02
  4. Step 4: Simplify right side
    28,341.32x = 497,192,128.48
  5. Step 5: Solve for x
    x = 497,192,128.48/28,341.32
  6. Step 6: Final answer
    x = 17,543.01

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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.