Home / 56,628.72-84,946.32-17,187.12

Finding the Fourth Proportional to 56,628.72, 84,946.32 and 17,187.12

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Solution

The fourth proportional to 56,628.72, 84,946.32 and 17,187.12 is: 25,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,628.72 : 84,946.32 = 17,187.12 : x
  2. Step 2: Convert to fraction form
    56,628.72/84,946.32 = 17,187.12/x
  3. Step 3: Cross multiply
    56,628.72x = 84,946.32 × 17,187.12
  4. Step 4: Simplify right side
    56,628.72x = 1,459,982,595.40
  5. Step 5: Solve for x
    x = 1,459,982,595.40/56,628.72
  6. Step 6: Final answer
    x = 25,781.66

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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.