Home / 28,987.18-43,491.72-10,266.46

Finding the Fourth Proportional to 28,987.18, 43,491.72 and 10,266.46

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Solution

The fourth proportional to 28,987.18, 43,491.72 and 10,266.46 is: 15,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.18 : 43,491.72 = 10,266.46 : x
  2. Step 2: Convert to fraction form
    28,987.18/43,491.72 = 10,266.46/x
  3. Step 3: Cross multiply
    28,987.18x = 43,491.72 × 10,266.46
  4. Step 4: Simplify right side
    28,987.18x = 446,506,003.71
  5. Step 5: Solve for x
    x = 446,506,003.71/28,987.18
  6. Step 6: Final answer
    x = 15,403.57

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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.