Home / 42,956.64-59,253.96-28,420.80

Finding the Fourth Proportional to 42,956.64, 59,253.96 and 28,420.80

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Solution

The fourth proportional to 42,956.64, 59,253.96 and 28,420.80 is: 39,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,956.64 : 59,253.96 = 28,420.80 : x
  2. Step 2: Convert to fraction form
    42,956.64/59,253.96 = 28,420.80/x
  3. Step 3: Cross multiply
    42,956.64x = 59,253.96 × 28,420.80
  4. Step 4: Simplify right side
    42,956.64x = 1,684,044,946.37
  5. Step 5: Solve for x
    x = 1,684,044,946.37/42,956.64
  6. Step 6: Final answer
    x = 39,203.37

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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.