Home / 39,762.49-59,645.56-28,127.65

Finding the Fourth Proportional to 39,762.49, 59,645.56 and 28,127.65

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Solution

The fourth proportional to 39,762.49, 59,645.56 and 28,127.65 is: 42,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.49 : 59,645.56 = 28,127.65 : x
  2. Step 2: Convert to fraction form
    39,762.49/59,645.56 = 28,127.65/x
  3. Step 3: Cross multiply
    39,762.49x = 59,645.56 × 28,127.65
  4. Step 4: Simplify right side
    39,762.49x = 1,677,689,435.73
  5. Step 5: Solve for x
    x = 1,677,689,435.73/39,762.49
  6. Step 6: Final answer
    x = 42,192.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.