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Finding the Fourth Proportional to 52,365.64, 72,264.25 and 28,492.41

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Solution

The fourth proportional to 52,365.64, 72,264.25 and 28,492.41 is: 39,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,365.64 : 72,264.25 = 28,492.41 : x
  2. Step 2: Convert to fraction form
    52,365.64/72,264.25 = 28,492.41/x
  3. Step 3: Cross multiply
    52,365.64x = 72,264.25 × 28,492.41
  4. Step 4: Simplify right side
    52,365.64x = 2,058,982,539.46
  5. Step 5: Solve for x
    x = 2,058,982,539.46/52,365.64
  6. Step 6: Final answer
    x = 39,319.34

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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.