Home / 21,264.48-31,818.96-17,804.16

Finding the Fourth Proportional to 21,264.48, 31,818.96 and 17,804.16

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Solution

The fourth proportional to 21,264.48, 31,818.96 and 17,804.16 is: 26,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.48 : 31,818.96 = 17,804.16 : x
  2. Step 2: Convert to fraction form
    21,264.48/31,818.96 = 17,804.16/x
  3. Step 3: Cross multiply
    21,264.48x = 31,818.96 × 17,804.16
  4. Step 4: Simplify right side
    21,264.48x = 566,509,854.87
  5. Step 5: Solve for x
    x = 566,509,854.87/21,264.48
  6. Step 6: Final answer
    x = 26,641.13

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1.5x scale

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.