Home / 19,280.60-28,872.30-14,323.40

Finding the Fourth Proportional to 19,280.60, 28,872.30 and 14,323.40

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Solution

The fourth proportional to 19,280.60, 28,872.30 and 14,323.40 is: 21,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.60 : 28,872.30 = 14,323.40 : x
  2. Step 2: Convert to fraction form
    19,280.60/28,872.30 = 14,323.40/x
  3. Step 3: Cross multiply
    19,280.60x = 28,872.30 × 14,323.40
  4. Step 4: Simplify right side
    19,280.60x = 413,549,501.82
  5. Step 5: Solve for x
    x = 413,549,501.82/19,280.60
  6. Step 6: Final answer
    x = 21,449.00

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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.