Home / 28,575.02-39,430.32-16,637.24

Finding the Fourth Proportional to 28,575.02, 39,430.32 and 16,637.24

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Solution

The fourth proportional to 28,575.02, 39,430.32 and 16,637.24 is: 22,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.02 : 39,430.32 = 16,637.24 : x
  2. Step 2: Convert to fraction form
    28,575.02/39,430.32 = 16,637.24/x
  3. Step 3: Cross multiply
    28,575.02x = 39,430.32 × 16,637.24
  4. Step 4: Simplify right side
    28,575.02x = 656,011,697.12
  5. Step 5: Solve for x
    x = 656,011,697.12/28,575.02
  6. Step 6: Final answer
    x = 22,957.52

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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.