Home / 52,400.38-72,312.40-28,527.22

Finding the Fourth Proportional to 52,400.38, 72,312.40 and 28,527.22

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Solution

The fourth proportional to 52,400.38, 72,312.40 and 28,527.22 is: 39,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.38 : 72,312.40 = 28,527.22 : x
  2. Step 2: Convert to fraction form
    52,400.38/72,312.40 = 28,527.22/x
  3. Step 3: Cross multiply
    52,400.38x = 72,312.40 × 28,527.22
  4. Step 4: Simplify right side
    52,400.38x = 2,062,871,743.53
  5. Step 5: Solve for x
    x = 2,062,871,743.53/52,400.38
  6. Step 6: Final answer
    x = 39,367.50

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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.