Home / 25,458-35,132.52-14,280.72

Finding the Fourth Proportional to 25,458, 35,132.52 and 14,280.72

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Solution

The fourth proportional to 25,458, 35,132.52 and 14,280.72 is: 19,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458 : 35,132.52 = 14,280.72 : x
  2. Step 2: Convert to fraction form
    25,458/35,132.52 = 14,280.72/x
  3. Step 3: Cross multiply
    25,458x = 35,132.52 × 14,280.72
  4. Step 4: Simplify right side
    25,458x = 501,717,681.01
  5. Step 5: Solve for x
    x = 501,717,681.01/25,458
  6. Step 6: Final answer
    x = 19,707.66

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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.