Home / 52,088.40-71,881.96-28,215.16

Finding the Fourth Proportional to 52,088.40, 71,881.96 and 28,215.16

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Solution

The fourth proportional to 52,088.40, 71,881.96 and 28,215.16 is: 38,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.40 : 71,881.96 = 28,215.16 : x
  2. Step 2: Convert to fraction form
    52,088.40/71,881.96 = 28,215.16/x
  3. Step 3: Cross multiply
    52,088.40x = 71,881.96 × 28,215.16
  4. Step 4: Simplify right side
    52,088.40x = 2,028,161,002.51
  5. Step 5: Solve for x
    x = 2,028,161,002.51/52,088.40
  6. Step 6: Final answer
    x = 38,936.90

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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.