Home / 28,387.02-42,602.40-22,853.92

Finding the Fourth Proportional to 28,387.02, 42,602.40 and 22,853.92

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Solution

The fourth proportional to 28,387.02, 42,602.40 and 22,853.92 is: 34,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387.02 : 42,602.40 = 22,853.92 : x
  2. Step 2: Convert to fraction form
    28,387.02/42,602.40 = 22,853.92/x
  3. Step 3: Cross multiply
    28,387.02x = 42,602.40 × 22,853.92
  4. Step 4: Simplify right side
    28,387.02x = 973,631,841.41
  5. Step 5: Solve for x
    x = 973,631,841.41/28,387.02
  6. Step 6: Final answer
    x = 34,298.49

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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.