Home / 40,528.80-60,774.96-17,143.20

Finding the Fourth Proportional to 40,528.80, 60,774.96 and 17,143.20

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Solution

The fourth proportional to 40,528.80, 60,774.96 and 17,143.20 is: 25,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,528.80 : 60,774.96 = 17,143.20 : x
  2. Step 2: Convert to fraction form
    40,528.80/60,774.96 = 17,143.20/x
  3. Step 3: Cross multiply
    40,528.80x = 60,774.96 × 17,143.20
  4. Step 4: Simplify right side
    40,528.80x = 1,041,877,294.27
  5. Step 5: Solve for x
    x = 1,041,877,294.27/40,528.80
  6. Step 6: Final answer
    x = 25,707.08

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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.