Home / 28,417.02-42,625.56-8,695.58

Finding the Fourth Proportional to 28,417.02, 42,625.56 and 8,695.58

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Solution

The fourth proportional to 28,417.02, 42,625.56 and 8,695.58 is: 13,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.02 : 42,625.56 = 8,695.58 : x
  2. Step 2: Convert to fraction form
    28,417.02/42,625.56 = 8,695.58/x
  3. Step 3: Cross multiply
    28,417.02x = 42,625.56 × 8,695.58
  4. Step 4: Simplify right side
    28,417.02x = 370,653,967.02
  5. Step 5: Solve for x
    x = 370,653,967.02/28,417.02
  6. Step 6: Final answer
    x = 13,043.38

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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.