Home / 39,677.28-59,360.40-28,605.12

Finding the Fourth Proportional to 39,677.28, 59,360.40 and 28,605.12

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Solution

The fourth proportional to 39,677.28, 59,360.40 and 28,605.12 is: 42,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.28 : 59,360.40 = 28,605.12 : x
  2. Step 2: Convert to fraction form
    39,677.28/59,360.40 = 28,605.12/x
  3. Step 3: Cross multiply
    39,677.28x = 59,360.40 × 28,605.12
  4. Step 4: Simplify right side
    39,677.28x = 1,698,011,365.25
  5. Step 5: Solve for x
    x = 1,698,011,365.25/39,677.28
  6. Step 6: Final answer
    x = 42,795.56

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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.