Home / 17,686.86-26,495.52-10,275.77

Finding the Fourth Proportional to 17,686.86, 26,495.52 and 10,275.77

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Solution

The fourth proportional to 17,686.86, 26,495.52 and 10,275.77 is: 15,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.86 : 26,495.52 = 10,275.77 : x
  2. Step 2: Convert to fraction form
    17,686.86/26,495.52 = 10,275.77/x
  3. Step 3: Cross multiply
    17,686.86x = 26,495.52 × 10,275.77
  4. Step 4: Simplify right side
    17,686.86x = 272,261,737.07
  5. Step 5: Solve for x
    x = 272,261,737.07/17,686.86
  6. Step 6: Final answer
    x = 15,393.45

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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.