Home / 15,689.60-23,534.40-14,652.80

Finding the Fourth Proportional to 15,689.60, 23,534.40 and 14,652.80

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Solution

The fourth proportional to 15,689.60, 23,534.40 and 14,652.80 is: 21,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.60 : 23,534.40 = 14,652.80 : x
  2. Step 2: Convert to fraction form
    15,689.60/23,534.40 = 14,652.80/x
  3. Step 3: Cross multiply
    15,689.60x = 23,534.40 × 14,652.80
  4. Step 4: Simplify right side
    15,689.60x = 344,844,856.32
  5. Step 5: Solve for x
    x = 344,844,856.32/15,689.60
  6. Step 6: Final answer
    x = 21,979.20

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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.