Home / 28,200.40-38,837.64-27,588.16

Finding the Fourth Proportional to 28,200.40, 38,837.64 and 27,588.16

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Solution

The fourth proportional to 28,200.40, 38,837.64 and 27,588.16 is: 37,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.40 : 38,837.64 = 27,588.16 : x
  2. Step 2: Convert to fraction form
    28,200.40/38,837.64 = 27,588.16/x
  3. Step 3: Cross multiply
    28,200.40x = 38,837.64 × 27,588.16
  4. Step 4: Simplify right side
    28,200.40x = 1,071,459,026.34
  5. Step 5: Solve for x
    x = 1,071,459,026.34/28,200.40
  6. Step 6: Final answer
    x = 37,994.46

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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.