Home / 21,594.32-29,802.28-12,641.28

Finding the Fourth Proportional to 21,594.32, 29,802.28 and 12,641.28

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Solution

The fourth proportional to 21,594.32, 29,802.28 and 12,641.28 is: 17,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.32 : 29,802.28 = 12,641.28 : x
  2. Step 2: Convert to fraction form
    21,594.32/29,802.28 = 12,641.28/x
  3. Step 3: Cross multiply
    21,594.32x = 29,802.28 × 12,641.28
  4. Step 4: Simplify right side
    21,594.32x = 376,738,966.12
  5. Step 5: Solve for x
    x = 376,738,966.12/21,594.32
  6. Step 6: Final answer
    x = 17,446.21

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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.