Home / 28,259.86-42,559-25,737.57

Finding the Fourth Proportional to 28,259.86, 42,559 and 25,737.57

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Solution

The fourth proportional to 28,259.86, 42,559 and 25,737.57 is: 38,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.86 : 42,559 = 25,737.57 : x
  2. Step 2: Convert to fraction form
    28,259.86/42,559 = 25,737.57/x
  3. Step 3: Cross multiply
    28,259.86x = 42,559 × 25,737.57
  4. Step 4: Simplify right side
    28,259.86x = 1,095,365,241.63
  5. Step 5: Solve for x
    x = 1,095,365,241.63/28,259.86
  6. Step 6: Final answer
    x = 38,760.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.