Home / 40,935.88-56,431.38-28,962.28

Finding the Fourth Proportional to 40,935.88, 56,431.38 and 28,962.28

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Solution

The fourth proportional to 40,935.88, 56,431.38 and 28,962.28 is: 39,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.88 : 56,431.38 = 28,962.28 : x
  2. Step 2: Convert to fraction form
    40,935.88/56,431.38 = 28,962.28/x
  3. Step 3: Cross multiply
    40,935.88x = 56,431.38 × 28,962.28
  4. Step 4: Simplify right side
    40,935.88x = 1,634,381,428.35
  5. Step 5: Solve for x
    x = 1,634,381,428.35/40,935.88
  6. Step 6: Final answer
    x = 39,925.40

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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.