Home / 40,989.24-56,570.40-28,392.12

Finding the Fourth Proportional to 40,989.24, 56,570.40 and 28,392.12

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Solution

The fourth proportional to 40,989.24, 56,570.40 and 28,392.12 is: 39,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.24 : 56,570.40 = 28,392.12 : x
  2. Step 2: Convert to fraction form
    40,989.24/56,570.40 = 28,392.12/x
  3. Step 3: Cross multiply
    40,989.24x = 56,570.40 × 28,392.12
  4. Step 4: Simplify right side
    40,989.24x = 1,606,153,585.25
  5. Step 5: Solve for x
    x = 1,606,153,585.25/40,989.24
  6. Step 6: Final answer
    x = 39,184.76

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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.