Home / 40,774.56-56,269.80-28,859.28

Finding the Fourth Proportional to 40,774.56, 56,269.80 and 28,859.28

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Solution

The fourth proportional to 40,774.56, 56,269.80 and 28,859.28 is: 39,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.56 : 56,269.80 = 28,859.28 : x
  2. Step 2: Convert to fraction form
    40,774.56/56,269.80 = 28,859.28/x
  3. Step 3: Cross multiply
    40,774.56x = 56,269.80 × 28,859.28
  4. Step 4: Simplify right side
    40,774.56x = 1,623,905,913.74
  5. Step 5: Solve for x
    x = 1,623,905,913.74/40,774.56
  6. Step 6: Final answer
    x = 39,826.45

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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.