Home / 28,966.02-39,973.95-16,390.50

Finding the Fourth Proportional to 28,966.02, 39,973.95 and 16,390.50

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Solution

The fourth proportional to 28,966.02, 39,973.95 and 16,390.50 is: 22,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.02 : 39,973.95 = 16,390.50 : x
  2. Step 2: Convert to fraction form
    28,966.02/39,973.95 = 16,390.50/x
  3. Step 3: Cross multiply
    28,966.02x = 39,973.95 × 16,390.50
  4. Step 4: Simplify right side
    28,966.02x = 655,193,027.48
  5. Step 5: Solve for x
    x = 655,193,027.48/28,966.02
  6. Step 6: Final answer
    x = 22,619.37

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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.