Home / 28,308.40-42,437.46-14,250.04

Finding the Fourth Proportional to 28,308.40, 42,437.46 and 14,250.04

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Solution

The fourth proportional to 28,308.40, 42,437.46 and 14,250.04 is: 21,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.40 : 42,437.46 = 14,250.04 : x
  2. Step 2: Convert to fraction form
    28,308.40/42,437.46 = 14,250.04/x
  3. Step 3: Cross multiply
    28,308.40x = 42,437.46 × 14,250.04
  4. Step 4: Simplify right side
    28,308.40x = 604,735,502.50
  5. Step 5: Solve for x
    x = 604,735,502.50/28,308.40
  6. Step 6: Final answer
    x = 21,362.40

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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.