Home / 52,663.69-72,675.88-28,790.36

Finding the Fourth Proportional to 52,663.69, 72,675.88 and 28,790.36

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Solution

The fourth proportional to 52,663.69, 72,675.88 and 28,790.36 is: 39,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,663.69 : 72,675.88 = 28,790.36 : x
  2. Step 2: Convert to fraction form
    52,663.69/72,675.88 = 28,790.36/x
  3. Step 3: Cross multiply
    52,663.69x = 72,675.88 × 28,790.36
  4. Step 4: Simplify right side
    52,663.69x = 2,092,364,313.16
  5. Step 5: Solve for x
    x = 2,092,364,313.16/52,663.69
  6. Step 6: Final answer
    x = 39,730.68

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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.