Home / 29,017.12-39,987.48-19,569.28

Finding the Fourth Proportional to 29,017.12, 39,987.48 and 19,569.28

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Solution

The fourth proportional to 29,017.12, 39,987.48 and 19,569.28 is: 26,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.12 : 39,987.48 = 19,569.28 : x
  2. Step 2: Convert to fraction form
    29,017.12/39,987.48 = 19,569.28/x
  3. Step 3: Cross multiply
    29,017.12x = 39,987.48 × 19,569.28
  4. Step 4: Simplify right side
    29,017.12x = 782,526,192.61
  5. Step 5: Solve for x
    x = 782,526,192.61/29,017.12
  6. Step 6: Final answer
    x = 26,967.74

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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.