Home / 40,248.63-55,523.81-28,318.55

Finding the Fourth Proportional to 40,248.63, 55,523.81 and 28,318.55

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Solution

The fourth proportional to 40,248.63, 55,523.81 and 28,318.55 is: 39,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,248.63 : 55,523.81 = 28,318.55 : x
  2. Step 2: Convert to fraction form
    40,248.63/55,523.81 = 28,318.55/x
  3. Step 3: Cross multiply
    40,248.63x = 55,523.81 × 28,318.55
  4. Step 4: Simplify right side
    40,248.63x = 1,572,353,582.85
  5. Step 5: Solve for x
    x = 1,572,353,582.85/40,248.63
  6. Step 6: Final answer
    x = 39,066.01

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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.