Home / 19,331.60-28,997.40-14,952.20

Finding the Fourth Proportional to 19,331.60, 28,997.40 and 14,952.20

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Solution

The fourth proportional to 19,331.60, 28,997.40 and 14,952.20 is: 22,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.60 : 28,997.40 = 14,952.20 : x
  2. Step 2: Convert to fraction form
    19,331.60/28,997.40 = 14,952.20/x
  3. Step 3: Cross multiply
    19,331.60x = 28,997.40 × 14,952.20
  4. Step 4: Simplify right side
    19,331.60x = 433,574,924.28
  5. Step 5: Solve for x
    x = 433,574,924.28/19,331.60
  6. Step 6: Final answer
    x = 22,428.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.