Home / 25,667.51-35,417.40-14,335.61

Finding the Fourth Proportional to 25,667.51, 35,417.40 and 14,335.61

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Solution

The fourth proportional to 25,667.51, 35,417.40 and 14,335.61 is: 19,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.51 : 35,417.40 = 14,335.61 : x
  2. Step 2: Convert to fraction form
    25,667.51/35,417.40 = 14,335.61/x
  3. Step 3: Cross multiply
    25,667.51x = 35,417.40 × 14,335.61
  4. Step 4: Simplify right side
    25,667.51x = 507,730,033.61
  5. Step 5: Solve for x
    x = 507,730,033.61/25,667.51
  6. Step 6: Final answer
    x = 19,781.04

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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.