Home / 28,242.60-38,970.38-16,303.63

Finding the Fourth Proportional to 28,242.60, 38,970.38 and 16,303.63

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Solution

The fourth proportional to 28,242.60, 38,970.38 and 16,303.63 is: 22,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.60 : 38,970.38 = 16,303.63 : x
  2. Step 2: Convert to fraction form
    28,242.60/38,970.38 = 16,303.63/x
  3. Step 3: Cross multiply
    28,242.60x = 38,970.38 × 16,303.63
  4. Step 4: Simplify right side
    28,242.60x = 635,358,656.48
  5. Step 5: Solve for x
    x = 635,358,656.48/28,242.60
  6. Step 6: Final answer
    x = 22,496.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.