Home / 28,261.53-39,001.07-17,657.32

Finding the Fourth Proportional to 28,261.53, 39,001.07 and 17,657.32

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Solution

The fourth proportional to 28,261.53, 39,001.07 and 17,657.32 is: 24,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.53 : 39,001.07 = 17,657.32 : x
  2. Step 2: Convert to fraction form
    28,261.53/39,001.07 = 17,657.32/x
  3. Step 3: Cross multiply
    28,261.53x = 39,001.07 × 17,657.32
  4. Step 4: Simplify right side
    28,261.53x = 688,654,090.04
  5. Step 5: Solve for x
    x = 688,654,090.04/28,261.53
  6. Step 6: Final answer
    x = 24,367.19

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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.