Home / 28,350.43-42,499.35-12,547.06

Finding the Fourth Proportional to 28,350.43, 42,499.35 and 12,547.06

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Solution

The fourth proportional to 28,350.43, 42,499.35 and 12,547.06 is: 18,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.43 : 42,499.35 = 12,547.06 : x
  2. Step 2: Convert to fraction form
    28,350.43/42,499.35 = 12,547.06/x
  3. Step 3: Cross multiply
    28,350.43x = 42,499.35 × 12,547.06
  4. Step 4: Simplify right side
    28,350.43x = 533,241,894.41
  5. Step 5: Solve for x
    x = 533,241,894.41/28,350.43
  6. Step 6: Final answer
    x = 18,808.95

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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.