Home / 38,253.15-52,788.29-21,256.95

Finding the Fourth Proportional to 38,253.15, 52,788.29 and 21,256.95

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Solution

The fourth proportional to 38,253.15, 52,788.29 and 21,256.95 is: 29,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.15 : 52,788.29 = 21,256.95 : x
  2. Step 2: Convert to fraction form
    38,253.15/52,788.29 = 21,256.95/x
  3. Step 3: Cross multiply
    38,253.15x = 52,788.29 × 21,256.95
  4. Step 4: Simplify right side
    38,253.15x = 1,122,118,041.12
  5. Step 5: Solve for x
    x = 1,122,118,041.12/38,253.15
  6. Step 6: Final answer
    x = 29,334.00

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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.