Home / 52,290.88-72,159.96-28,416.76

Finding the Fourth Proportional to 52,290.88, 72,159.96 and 28,416.76

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Solution

The fourth proportional to 52,290.88, 72,159.96 and 28,416.76 is: 39,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.88 : 72,159.96 = 28,416.76 : x
  2. Step 2: Convert to fraction form
    52,290.88/72,159.96 = 28,416.76/x
  3. Step 3: Cross multiply
    52,290.88x = 72,159.96 × 28,416.76
  4. Step 4: Simplify right side
    52,290.88x = 2,050,552,264.93
  5. Step 5: Solve for x
    x = 2,050,552,264.93/52,290.88
  6. Step 6: Final answer
    x = 39,214.34

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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.