Home / 40,562.40-55,985.52-26,390.64

Finding the Fourth Proportional to 40,562.40, 55,985.52 and 26,390.64

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Solution

The fourth proportional to 40,562.40, 55,985.52 and 26,390.64 is: 36,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562.40 : 55,985.52 = 26,390.64 : x
  2. Step 2: Convert to fraction form
    40,562.40/55,985.52 = 26,390.64/x
  3. Step 3: Cross multiply
    40,562.40x = 55,985.52 × 26,390.64
  4. Step 4: Simplify right side
    40,562.40x = 1,477,493,703.53
  5. Step 5: Solve for x
    x = 1,477,493,703.53/40,562.40
  6. Step 6: Final answer
    x = 36,425.20

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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.