Home / 19,281.02-26,591.64-15,295.82

Finding the Fourth Proportional to 19,281.02, 26,591.64 and 15,295.82

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Solution

The fourth proportional to 19,281.02, 26,591.64 and 15,295.82 is: 21,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.02 : 26,591.64 = 15,295.82 : x
  2. Step 2: Convert to fraction form
    19,281.02/26,591.64 = 15,295.82/x
  3. Step 3: Cross multiply
    19,281.02x = 26,591.64 × 15,295.82
  4. Step 4: Simplify right side
    19,281.02x = 406,740,938.94
  5. Step 5: Solve for x
    x = 406,740,938.94/19,281.02
  6. Step 6: Final answer
    x = 21,095.41

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1.5x scale

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.