Home / 52,267.81-72,130.19-28,394.86

Finding the Fourth Proportional to 52,267.81, 72,130.19 and 28,394.86

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Solution

The fourth proportional to 52,267.81, 72,130.19 and 28,394.86 is: 39,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.81 : 72,130.19 = 28,394.86 : x
  2. Step 2: Convert to fraction form
    52,267.81/72,130.19 = 28,394.86/x
  3. Step 3: Cross multiply
    52,267.81x = 72,130.19 × 28,394.86
  4. Step 4: Simplify right side
    52,267.81x = 2,048,126,144.20
  5. Step 5: Solve for x
    x = 2,048,126,144.20/52,267.81
  6. Step 6: Final answer
    x = 39,185.23

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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.